Well S 19:7; cross-section ... Eva Brann ... 81-250 81-250 Fragile Dirty Light Tracing Paper Drafting Ink ... 1958
Kotyle ... Anne Hooton ... PD 104 noted on drawing but is it wrong! Drafting Film Drafting Ink
Potters' debris test pieces wasters ... Anne Hooton ... Drafting Film Drafting Ink
Kotyle ... Anne Hooton ... Drafting Film Drafting Ink