Fifty-two discoveries from the BiblioPhilly project, No. 5/52 Book of Hours, Use of Rome, Philadelphia, Free Library of Philadelphia, Lewis E 107, fol. 100v (miniature of the Crowning of Thorns with instructions in left margin) Marginal directions for illuminators—be they in written or in sketch form—are relatively common in the thirteenth century, and though they…
via A helping hand: barely discernible instructions for a miniaturist — Bibliotheca Philadelphiensis