Signatures: [pi]4, A-E8, F12, G-M8, N10, O-V8.
Cursive script with titles in roman capitals; varying number of long lines per page.
Written by a single hand in Italian in dialogue form; text and diagrams in black ink.
Dry-point ruling.
Vellum over heavy paper binding with lacings perpendicular to the spine; headbands secured by diagonal lacings.
Preliminary leaves [1-3], 50, 51, 109, and [1-5] at end blank.
Interlocutors are Girolamo Calcagni & Pellegrino Cantelli.
Includes indexes.
With an unidentified armorial bookplate on front pastedown.
Previously catalogued as Drake I-29.
The gift of Stillman Drake, 1998.
