September 8, 2014
by Sarah Werner
Comments Off on Constructing volvelles

Constructing volvelles

As Elizabeth Bruxer correctly identified within a few short hours of its posting, this month’s crocodile mystery showed the inner disc of an unconstructed volvelle from a copy of the 1591 edition of Giambattista della Porta’s De furtivis literarum  notis (STC … Continue reading