Historic Materials: Fabrication Techniques

August 2015. Secret Writing Techniques Instructional Videos

A growing collection of secret writing techniques, such as invisible inks, used by 17th-century female spies. A collaboration between Dr. Nadine Akkerman, Leiden University, Jana Dambrogio, Thomas F. Peterson (1957) Conservator, @MITLibraries. #SecretWritingTechniques. Follow us on Twitter: @letterlocking @misswalsingham

June 2015. Historic sealing wax making with Brien Beidler, Part I.

Check out Brien's blog post on sealing wax. Check out our tweets @letterlocking

APRIL 2015. Cambridge Science Festival. MIT Libraries. Movable Messages in Books: Spinning Wheels, Coded Disks, and Volvelles. Click on the image below to link to videos of the historic wheels in action.

MIT Libraries: Movable Messages in Books: Spinning Wheels, Coded Disks, and Volvelles Wheels don’t just spin on bikes, buses, and BMW’s. Sometimes they are rings that rotate in the pages of old books, that spin and revolve and whirl, swivel and turn to reveal movable messages: decoders, moon movements, or…. Come by the MIT Libraries Institute Archives and Special Collections reading room to learn about the secrets of movable messages.

Photo credit: MIT Libraries, Institute Archives and Special Collections.

Photo credit: MIT Libraries, Institute Archives and Special Collections.