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Inside Spencer: The KSRL Blog

Books on a shelf

Welcome to the Kenneth Spencer Research Library blog! As the special collections and archives library at the University of Kansas, Spencer is home to remarkable and diverse collections of rare and unique items. Explore the blog to learn about the work we do and the materials we collect.

Adjustable Conservation Book Support: An open-design conservation tool arrives at KU Libraries

May 16th, 2023

The conservation lab at the University of Kansas Libraries is now home to a pair of Adjustable Conservation Book Supports, or ACBS’s. The ACBS is a hinged cradle that supports a book during conservation treatment; fiberglass rods gently hold the book open in almost any desired position, a feat that can be difficult or impossible to achieve with our usual system using weights and fixed cradles or foam wedges, or other rigged-up arrangements. The ACBS was designed and developed at Northwestern University by conservator Roger Williams in collaboration with students in Northwestern’s School of Engineering. Williams wrote about the process in this blog post: Collaborating with engineering students to create an open-design conservation tool – LIBRARIES | Blog (northwestern.edu). We learned about the ACBS when Williams presented a webinar about the project during the COVID-19 pandemic, at a time when many conservators were unable to work in their labs. We and our colleagues around the world spent much of our pandemic work-at-home time learning and sharing on online platforms, saving up the new knowledge to try out when we were back in our workspaces.

One of Williams’ goals when creating the ACBS was to make it freely available and customizable  – an open-design tool that could be built with readily available supplies and that could be adapted and improved upon by the conservation community through use and experimentation. Conservators at the Auckland War Memorial Museum in New Zealand took up this challenge and created an (also open access!) alternative design for the two clamps that sit at the top of the ACBS. The 3D-printed Auckland clamp design increases the range of motion of the fiberglass rods, adding even more functionality to the ACBS. (See their blog post: Newest Trick in the Book – Blog – Auckland War Memorial Museum (aucklandmuseum.com))

We wanted to build an ACBS for our lab, and we definitely wanted those clamps! We knew that KU Libraries had a 3D printer in our new Makerspace, so we reached out to Associate Librarian Tami Albin for her help. The Makerspace was in its early days, and Tami had been experimenting with the 3D printer, getting to know its capabilities and the properties of different filaments. We downloaded the files for the Auckland clamps and sent them to Tami. While Tami worked on the clamps, collections conservator Roberta Woodrick ordered the rest of the parts we needed for our ACBS’s (we had decided to build two), and she and I assembled them up to the point of adding the clamps. A few weeks later, Roberta and I visited the Makerspace to see the results of Tami’s first tests. Tami described how the 3D printer works, showed us the printed clamp parts, and explained how the type of filament affects the finished 3D print. She had printed an assortment of sample parts for us; we brought them back to the lab and examined each one to find those that had the look, feel, and weight that suited us, and to test the fit on the ACBS’s.

Two people whose faces are out of the frame stand next to a table laid with 3D printed samples of clamp parts for an adjustable book cradle.
Reviewing test prints of the clamp parts with Tami Albin at the Makerspace. Click image to enlarge.

After we’d selected the samples that we liked best, we reported back to Tami and she set to work printing the final pieces. We were excited to get the email from her letting us know that the parts were ready! We gave Tami free rein to choose the filament colors, and she came through with a selection of bright, cheerful colors that add some fun and personality to our ACBS’s.

Close up image of colorful 3D printed clamps on an adjustable book cradle.
Detail of the clamps in their beautiful colors. Click image to enlarge.

With the clamp parts in hand, we had a few more steps to go before the ABCS’s would be ready to use. I put together the clamp assembly and found that our off-the-shelf bolts were about 1mm too long, preventing the clamps from being fully tightened. I found my set of jeweler’s rasps (saved from a metals elective I took back in art school – conservators love to appropriate tools of many trades!) and used one to file down the ends of the bolts until they fit correctly.

Two black metal bolts, each with a small silver hex nut and large red-and-yellow 3D printed nut on its end, sit on a table next to a small metal rasp. The end of the bolt on the left has been filed down smooth.
A too-long bolt, left, and a filed-down bolt, right. Click image to enlarge.

With the clamps assembled, the last step was to fill in the sides of the ACBS’s to bring the surfaces level with the thick hinges. Per Williams’ instructions, I filled the lower boards of the ACBS’s with scraps of binder’s board, a heavier material, and the upper board with corrugated plastic, a lighter material, to help balance the ACBS. I then covered each side with blotter and sealed the edges all around with Tyvek tape.

A split image: on the left, two adjustable book cradles atop a workbench with a utility knife, a triangle, and a ruler; on the right, a close-up of an adjustable book cradle lined with corrugated plastic.
Filling in the lower board with scraps of binder’s board, left, and the upper board with corrugated plastic, right. Click image to enlarge.

Conservation is always a collaborative effort, and we are so grateful for Tami’s contribution to this project. We are looking forward to all the ways that we can put these new tools to use in our work caring for KU Libraries’ collections.

Two adjustable book cradles sit atop a workbench in a conservation lab.
Our two new ACBS’s! Click image to enlarge.
A thin Japanese book is held by fiberglass rods in an adjustable book cradle.
The fiberglass rods are strong but gentle enough for delicate materials. Katsushika Hokusai, Denshin kaishu Hokusai manga. Call Number: C22291. Kenneth Spencer Research Library, University of Kansas. Click image to enlarge.

Conservation Treatment of a Korean Buddhist Sutra, Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha)

March 8th, 2022

The Kenneth Spencer Research Library holds a rare 14th century Korean Buddhist sutra (MS D23) titled, Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha). The sutra is the 45th volume of the eightieth version of the Avatamsaka Sutra translated by Siksananda between 695 and 699 in the Tang dynasty (Eung-Chon Choi, 2003). It is mounted in accordion book format, a practice commonly seen in China, Japan, and Korea (Hsin-Chen Tsai, 2017).

Frontispiece of a 14th century Korean Buddhist sutra titled Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha), gold ink on indigo paper. Call number MS D23. Kenneth Spencer Research Library, The University of Kansas.
Image 1. Frontispiece of the sutra. Call number MS D23. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

The sutra’s structure consists of papers with a width of 101 cm and height of 26.7 cm that are joined by one seam every nine pages with a starch-based adhesive[1]. The sutra has sixty-one pages of text comprising three chapters, and four pages on which is painted the frontispiece. The calligraphy and frontispiece are hand-painted in a metallic media, likely gold, where gold pigment is typically mixed with animal glue as the binding media (Hsin-Chem Tsai, 2017). The outer edges of the text block are also decorated in gold. The heads, chest, and hands of the three Buddhas in the frontispiece are further enhanced with cream, red, blue, and black opaque paint. The verso of the sutra is blank except for inscriptions along the seam of each join labeling each section.

There are four different papers observed throughout the sutra. The text block of the sutra is a double layer of dark blue dyed paper, likely indigo, that is highly burnished. The paper used on the verso of the frontispiece, back cover, and adjacent pages is a different laminated indigo paper. It is not burnished, and the indigo has prominent brush strokes (see Image 2). The paper cover has a white paper core consisting of a few sheets laminated together and is covered with a thin, blue paper. The front cover is decorated with flakes of gold leaf while the back blue paper cover is blank. Fiber identification characterized the furnish (fiber content) of these papers as a paper mulberry or a paper mulberry mixture with either mitsumata or gampi. These fibers are consistent with the known furnish of papers from this period and region.

Verso of first and last pages of a 14th century Korean Buddhist sutra titled Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha). Call number MS D23. Kenneth Spencer Research Library, The University of Kansas.
Image 2. Verso of the first page of text (far left) and the verso of the last three pages of the frontispiece (center and right) showing the difference between the two types of indigo paper. The three pages on the right have prominent brush strokes, whereas the page on the left is darker and heavily burnished. Call number MS D23. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

According to Goryeo dynasty: Korea’s age of enlightenment, 918-1392, the following volumes from this set of Avatamsaka Sutra are extant and share the same style of calligraphy, treatment of the frontispiece, and cover design: Vol. 1 (private collection in Japan), Vol. 4 (Tokugawa Art Museum), Vols. 35 and 36 (Yamato Bunkakan), Vol. 42 (Tsaian-ji, Kobe), and Vol. 78 (The Cleveland Museum of Art). 

The sutra had several structural issues (weak folds, insect damage, old mends that were detaching) and was a priority for examination and treatment to stabilize it for future use. With great thanks to the Andrew W. Mellon Foundation and its support of a Collaborative Conservation Initiative at KU, there was allocated funding to host a visiting conservator to complete a special week-long project during the grant period. We reached out to Minah Song, a conservator in private practice in the Washington D.C. area, to advise on the development of a treatment plan for this rare object. Read more about Minah’s entire Visiting Conservator Project in the blog post written by Special Collections Conservator, Angela Andres.

Images showing insect and binding damage on a 14th century Korean Buddhist sutra titled Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha). Call number MS D23. Kenneth Spencer Research Library, The University of Kansas.
Image 3. The image on the left shows where adhesive was failing at the join between sections and the presences of white accretions that correlates with the location of the calligraphy on the recto. The image on the right shows insect holes that were once covered by square paper mends. The mends have detached, and adhesive residue remains. Call number MS D23. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.
A conservator pointing to damage on a 14th century Korean Buddhist sutra titled Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha). Call number MS D23. Kenneth Spencer Research Library, The University of Kansas.
Image 4. Minah Song pointing to old mends along the top edge of the fold crease. The paper was weak in many places, easy to detach, and the color of the mend did not match the sutra’s paper. Many of the mends were detaching. Call number MS D23. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

After the sutra was examined and the condition issues prioritized, we shared our observations and treatment plan with Elspeth Healey, special collections librarian, who authorized the treatment. Our plan included addressing all necessary mending needs first. If we could tone a good matching paper, then we would also address the most visually distracting mends and overlays to reintegrate the paper margins of the sutra. We toned handmade Korean paper (hanji) using High Flow Golden acrylic paint (indigo/anthraquinone) and Dr. Ph. Martin’s Synchromatic Transparent watercolor (black) diluted with deionized water to mix various blue tones and achieve a good match with the sutra’s burnished indigo paper. The mixture was brush-applied to the hanji and the paper was hung to dry completely.

A conservator at work testing colors to match paper for mending a 14th century Korean Buddhist sutra titled Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha). Call number MS D23. Kenneth Spencer Research Library, The University of Kansas.
Image 5. Testing various mixtures and application methods to tone handmade Korean paper (hanji) to match the indigo paper in the sutra. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

Once the paper was toned, we removed old mends across worm holes that were loose and detaching. We used the new mending paper to reinforce weak fold creases and replace old mends, as needed, and reattached the seams that were coming loose. The treatment overall was kept as minimal as possible with the primary goal of stabilization so that the sutra could be safely handled. Once the new mends and infills were attached with wheat starch paste, some were locally inpainted with Schminke watercolors to match the sutra’s paper tone more closely.

A conservator mending a 14th century Korean Buddhist sutra titled Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha). Call number MS D23. Kenneth Spencer Research Library, The University of Kansas.
Image 6. Attaching a new mend along a fold crease (pictured left). Jacinta Johnson inpainting a mend and overlay with watercolors. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

The conservation treatment of the sutra is now complete. The new mends have better visual integration with the object and allow for the sutra to be safely handled. We would like to extend our sincere thanks to Minah Song for her guidance and expertise on this important project. We would also like to thank Dr. Brian Atkinson, Assistant Professor in the Department of Ecology and Evolutionary Biology and Curator of the Division of Paleobotany at the Biodiversity Institute for the use of his microscope to complete fiber identification. Finally, we would like to thank the Andrew W. Mellon Foundation for enabling this collaboration.

Images showing a 14th century Korean Buddhist sutra titled Dae Bangwangbul Hwaeomgyeong (The Sutra of Garland Flower of Great Square and Broad World of Buddha) during and after conservation treatment. Call number MS D23. Kenneth Spencer Research Library, The University of Kansas.
Image 7. Detail image of one of the pages of the sutra during treatment (left) and after treatment (right) with the addition of the new mends and overlays. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

[1] The final section is only five pages long, including the cover, and is 55.8 cm wide. Adhesive was tested with an iodine indicator. The adhesive is likely wheat or rice starch paste.

REFERENCES

Avatamsaka Sutra No. 78. The Cleveland Museum of Art. Collection Entry. https://www.clevelandart.org/art/1994.25.

Baker, Whitney. June 18, 2003. Condition Examination. The Kenneth Spencer Research Library. The University of Kansas Libraries.

Choi, Eung-Chon, and Kumja Paik Kim. 2003. Goryeo dynasty: Korea’s age of enlightenment, 918-1392 ; [in conjunction with the Exhibition Goryeo Dynasty: Korea’s Age of Enlightenment, 918-1392, which was organized by the Asian Art Museum – Chong-Moon Lee Center for Asian Art and Culture, San Francisco, October 18, 2003 through January 11, 2004]. San Francisco, Calif: Asian Art Museum: 126-7.

Tsai, Hsin-Chen, and Tanya Uyeda. 2017. “Line Up, Back to Back: Restoration of a Korean Buddhist Sutra in Accordion Book Format.” Book and Paper Group Annual 36: 75–83.

A Recap of Our Week with Visiting Conservator Minah Song

December 14th, 2021

In October, thanks to the efforts of Mellon Initiative conservator Jacinta Johnson, we realized a long-held dream of hosting a visiting conservator in our lab. Since we moved into this space three and a half years ago, we have been excited about the possibilities our new facility affords – from holding workshops to accommodating researchers, and much more. Of course, we’d barely gotten settled when the pandemic emerged and put these plans on hold. After a period of remote work, followed by returning to work full-time in the lab and getting accustomed to working within covid restrictions, we were ready to take the step of inviting an outside colleague to work with us for a week.

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The grant that supports Jacinta’s work here at Spencer Research Library (SRL) and across Marvin Grove at the Spencer Museum of Art (SMA) includes funding to bring in visiting conservators to work on collections that have been identified as needing special attention. Jacinta arranged for Minah Song, a conservator working in private practice in the Washington, D.C. area, to spend a whole week in the lab. Much of Minah’s time here was spent working with Jacinta to examine, document, and explore treatment options for a rare Korean sutra housed in our special collections (MS D23). Minah also delivered a public lecture on the history and technology of Asian papermaking and its uses for conservation and held an information session on care and handling of Asian materials for SRL and SMA staff. In addition, Minah generously agreed to teach three mini-workshops for conservation lab staff and student employees. After such a long period of isolation and distancing, it was wonderful to interact with another conservator, step away from our routines, and learn something new.

Mellon Initiative conservator Jacinta Johnson and visiting conservator Minah Song examine a rare Korean sutra from Spencer's collection.
Mellon Initiative conservator Jacinta Johnson and visiting conservator Minah Song examine a rare Korean sutra from Spencer’s collection. Call number MS D23. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

For the first mini-workshop, Minah demonstrated friction drying, a method for flattening papers that may be sensitive to moisture or otherwise difficult to flatten, such as tracing paper. Jacinta has been treating drawings on tracing paper from the Mary Huntoon collections at both the SMA and SRL; she and Minah used two of these works to show how friction drying works. The drawings were first humidified in a Gore-Tex® stack, which allows water vapor to gently humidify the objects without direct contact with liquid water. Next the drawings were sandwiched between two sheets of lightly dampened mulberry paper and dried in a blotter stack under pressure for about a week. The process may need to be repeated for very stubborn creases. This method is a great, low-impact option for flattening notoriously fickle tracing paper.

Mellon Initiative conservator Jacinta Johnson and visiting conservator Minah Song demonstrate friction drying, a technique for flattening delicate paper. Kenneth Spencer Research Library, The University of Kansas.
Mellon Initiative conservator Jacinta Johnson and visiting conservator Minah Song demonstrate friction drying, a technique for flattening delicate paper. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

In the next mini-workshop we learned how to do a double-sided lining for very brittle paper items, a technique that Minah perfected when she treated a large collection of fire-damaged documents. While this method should be considered a last option due the difficulty of fully reversing it, it can provide surprising stability for severely weakened papers while still allowing the text or images to be seen. (We used discarded newspaper clippings to practice on.) In this method, very thin kozo tissue is adhered to both sides of the item by applying very dilute wheat starch paste through a layer of Hollytex®, a nonwoven polyester material. The lined object is partially air-dried with the Hollytex® still attached, then dried in a stack overnight, at which point the Hollytex® is removed, and the object returned to the stack to fully dry. We were all surprised by the relative simplicity of the process, considering the fragility of the materials involved, and the results were impressive.

Conservation Services staff and student employees practice a double-sided lining technique taught by visiting conservator Minah Song. Kenneth Spencer Research Library, The University of Kansas.
Conservation Services staff and student employees practice a double-sided lining technique taught by visiting conservator Minah Song. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

For our final mini-workshop, we had the chance to experiment with several types of pre-coated, solvent-set repair tissues. Pre-coated repair tissues usually consist of a thin kozo paper to which a layer of adhesive has been applied and allowed to dry. The coated paper can then be cut to size, reactivated with some type of solvent (usually water or ethanol), and applied to a tear to create a mend. We already use a pre-coated repair tissue prepared with a mixture of wheat starch paste and methycellulose, which is reactivated with water and serves as a good all-purpose repair material. But Minah demonstrated other types of pre-coated papers that offer other possible applications: tissue coated in Klucel™ M and reactivated with ethanol is a good option for documents containing iron gall inks or other water-sensitive media, and tissue coated with Aquazol®, reactivated with water, and set with a heated tacking iron can be an efficient choice for projects with a high volume of needed repairs, tight time constraints, or both.

Visiting conservator Minah Song demonstrates the use of pre-coated repair tissues for Conservation Services staff and student employees. Kenneth Spencer Research Library, The University of Kansas.
Visiting conservator Minah Song demonstrates the use of pre-coated repair tissues for Conservation Services staff and student employees. Kenneth Spencer Research Library, The University of Kansas. Click image to enlarge.

We all greatly enjoyed our week working with and alongside Minah, getting to know her, and benefitting from her willingness to share her time and expertise with us. We now have a new conservation friend, and a wealth of new knowledge to bring to our work on KU’s collections.

Repairing Zapolote: a Conservation Treatment for a Lithograph by Mary Huntoon

April 14th, 2021

Zapolote, also known as The Goose Woman is one of nine known lithographs by Kansas artist Mary Huntoon. Based on Huntoon’s notations, we know that this single edition print was made in 1923 while she attended the Art Students League in New York, NY. Zapolote is a mysterious image depicting the silhouette of a seated woman contrasted by a bright full moon surrounded by dark clouds. Huntoon used broad, arching lines to hint at the woman’s surroundings, which are generally abstract, and allude to a rippling pool at her feet. 

This work is part of a large collection of prints, drawings, and watercolors by Huntoon at the Kenneth Spencer Research Library. Along with the Huntoon collection at the Helen Foresman Spencer Museum of Art, this collective holding at KU is regionally significant, connecting KU to other regional and national collections (e.g., Alice C. Sabatini Gallery in Topeka, Kansas; Mulvane Art Museum at Washburn University in Topeka, Kansas; and the Philadelphia Museum of Art).

The Mary Huntoon lithograph Zapalote, seen before treatment in normal light.
Image 1: The Mary Huntoon lithograph Zapolote, seen before treatment in normal light. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.
The Mary Huntoon lithograph Zapalote, seen before treatment in raking light.
Image 2: The Mary Huntoon lithograph Zapolote, seen before treatment in raking light. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.

I prioritized this print for conservation treatment during a condition survey of Huntoon’s collection of works because the print had sustained significant pest damage (see images 1-2). The entire upper right corner was lost as well as a few other smaller areas across the top edge. Tiny bite marks were visible along the edges and a long strip of the remaining top edge of the sheet was at risk of tearing off during handling.  

Conservators use several techniques for filling paper that is lost. The most common approach is to attach a new piece of paper with a similar thickness, color, and texture that is cut to fit inside the loss like a puzzle piece. The downside to this approach is that the search (and creation) of such a fill is often time-intensive. Even when the edge of the fill is beveled or butt-joined, a small seam is usually visible. The rough and jagged edges created by the hungry pest along this particular loss further complicated the shaping and stabilization process.

I had an opportunity, however, to use a simpler approach that would help stabilize the jagged edges and save time searching for the perfect fill paper: pulp fills. Pulp fills are a great method for filling paper because unlike the method described above, there is a much smoother transition between the original sheet and the fill. In this technique, wet paper pulp is dropped into the area of loss as a slurry, and can be built up to the same thickness as the print. This type of filling method can only be done if the entire print can be washed in advance because the print needs to be wet during this process. Fortunately, my testing confirmed that this print would be safe to wash.  

Next, I consulted my small collection of pre-cast paper pulp, all from high quality papers that had been previously washed. I selected two different colored paper pulps to mix together to make the best possible color match (see image 3). Then the pulp was reconstituted into a slurry with water and mixed thoroughly (see image 4).

Finding a selection of paper pulp that best matched the color of the print.
Image 3: Finding a selection of paper pulp that best matched the color of the print. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.
The paper pulp was turned back into a slurry by adding water.
Image 4: The paper pulp was turned back into a slurry by adding water. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.

After the pulp was ready, I used a pipette to drop small amounts into the area of loss. This was completed on a light table so I could match the thickness of the pulp with the thickness of the paper. I used a vegetable scrubber and curved tweezers to tamp down and shape the pulp into a smooth mat. A sheet of cotton blotter and clear polyester sheeting was also used to control the amount of water in the pulp slurry and anchor and cast the pulp. In about thirty minutes, I had already filled the entire upper right loss (see images 5a-c).

Curved tweezers helped to manipulate the pulp to match the thickness of the print.
Image 5a: Curved tweezers helped to manipulate the pulp to match the thickness of the print. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.
The progression of filling the loss with wet paper pulp.
Image 5b: The progression of filling the loss with wet paper pulp. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.
Cotton blotter was used to absorb excess water and help anchor and cast the pulp.
Image 5c: Cotton blotter was used to absorb excess water and help anchor and cast the pulp. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.

Once all the fills were completed, I dried the print between cotton blotters under moderate weight. After the print was fully dry, I assessed the pulp fill. Since the loss was in an area that would be used to attach it for display and/or handling, I decided to reinforce it with a very thin piece of Japanese paper, called tengucho. This would add extra strength to the area, but not change its visual effect. Finally, the edges of the pulp fill were toned slightly with graphite pencil and colored pencils to match the color of the rest of the sheet. Now that the treatment is finished, the pulp fills help to complete the print and bring the viewer’s eye back to the image area and away from the damage. 

The Mary Huntoon lithograph Zapalote, seen after treatment in normal light.
Image 6: The Mary Huntoon lithograph Zapolote, seen after treatment in normal light. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.
The Mary Huntoon lithograph Zapalote, seen after treatment in raking light.
Image 7: The Mary Huntoon lithograph Zapolote, seen after treatment in raking light. Mary Huntoon Papers, RH MS 209:1:60. Click image to enlarge.

Zapolote will be on view this fall 2021 at the Kenneth Spencer Research Library for the exhibit, Mary Huntoon: Artist and Art Therapist, and will feature several more examples of conservation treatments in this collection. We look forward to seeing you there!

Jacinta Johnson
Associate Conservator, Mellon Initiative

Treatment and rebinding of MS E279, part 2

January 22nd, 2021

All the way back in October 2019, I wrote about starting on the treatment of MS E279, Historia flagellantium…De recto et perverso flagrorum usu apud Christianos…Ex antiquis Scripturæ, patrum, pontificum, conciliorum, & scriptorum profanorum monumentis cum curâ & fide expressa, by Jacques Boileau. This volume is the manuscript, dated 1691 and with annotations believed to be in the author’s own hand, for the printed version of the same title published in 1700. Spencer also holds a copy of the printed edition at Summerfield B2655.

The volume was weakened by past water and mold damage and so required especially careful handling throughout the treatment process. After photographing the volume in its pre-treatment condition, I first cleaned the residual mold using soft brushes and low-suction HEPA vacuum, working in our bio-safety cabinet to reduce my exposure to the mold (and prevent contamination of other collection material). After the volume was cleaned, I removed the damaged binding and took apart the sewing.

A damaged folio from MS E279 before treatment, at left, and being mended during treatment, at right.
A damaged folio from MS E279 before treatment, at left, and being mended during treatment, at right. Click image to enlarge.

The most time-consuming part of the treatment involved mending tears, filling losses, and guarding the sections (adding a reinforcing strip of thin Japanese tissue along the fold to strengthen it prior to sewing). The manuscript also has numerous notes and additions pasted in which needed reinforcement or reattaching. Once all the mending was complete, the volume was ready to be sewn and bound. In discussions with Special Collections curator Karen Cook, we considered different options for rebinding the book and settled on a conservation paper case binding, which would provide gentle support for the fragile text.

I sewed the volume with fine linen thread over three cords, adding new endpapers, and added sewn endbands of the same linen thread around rolled paper cores. After lining the spine with Japanese paper, Western laid paper, and linen, I attached a new case of medium-weight handmade paper. The case is attached only by the linen spine linings and by the sewing and endband supports which are laced through the case. The result has an appearance that is similar to and visually compatible with historic limp bindings. This structure has the added benefit of being easily removed if future caretakers of this volume wish to rebind it in a different fashion.

MS E279 after treatment in its new paper case binding, with linen spine lining and laced sewing supports.
MS E279 after treatment in its new paper case binding, with linen spine lining and laced sewing supports. Click image to enlarge.
The title page of MS E279 shown before treatment, at left, and after treatment, at right.
The title page of MS E279 shown before treatment, at left, and after treatment, at right. Click image to enlarge.

The newly-bound volume is housed in a clamshell box along with the old boards. While this manuscript is still fragile, the repairs and new binding will allow it to be consulted by researchers in the reading room, which was not possible in its prior condition. To view this manuscript or any of Spencer’s collections, you may make an appointment to visit the reading room during our updated hours.