using white paper to make the onion skin typescript readable
Aaron T. Pratt on Twitter: "So excited—about to CT scan this 15th-century engraved woodblock @ransomcenter that was used to print devotional broadsides. Will be 3D printing some facsimiles and releasing our 3D models to the public!… https://t.co/f9kYJB2wmI"
Rosenbach's "bat book"--a girdle book with sheets that unfold (OPenn: MS 1004/29 Almanack)
Cronologia universale, che facilita lo studio d... : a plate folded over, covering a portrait (via @historiacalam)
Selected Poems of Matthew Prior; frontispiece covered w protective sheet and digitizer's auto-correccted fingers (via @mducman)
Berlement (Venice 1646) from Madrid via HathiTrust