MS A.19 f.40vAppears in manuscript:
A sweatbox and heating system. Water and herbs are cooked in a stove, on the left, and the steam is transmitted to a sweatbox, on the right, via a pipe. Someone has drawn a bird in the cage-like structure of the sweatbox. Sketch from f.40v of MS A.19, a 15th-century Flemish copy of Jan Yperman's Cyrurgie.