Bodleian Library Broxb. 97.40. ‹ Return to ‘Digging into the Archaeology of the Book’: The Digital Humanities at the Bodleian Library Posted on July 15, 2014 by Andrew Bonnie — No Comments ↓ Bodleian Library Broxb. 97.40. A frisket made from a recycled manuscript leaf. Friskets were used to mask off areas when printing in order to select certain characters or images for color printing.