Figure 1. "This is most true," Virginia Ferrar's cipher with John Ferrar's initials in Gerhard Mercator, Atlas; or, A geographicke description of the world (London, 1635), p. 904 (detail). JCB call number Z M533 1635 1-SIZE
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Janice Neri and Danielle Skeehan, "The Mystery of the Silk Worm: Conversations in the Reading Room and Beyond," I Found it at the JCB, Online Journal of the John Carter Brown Library, August 2012. |