Potter's Test Piece Fragment ... AMS Horizontal (normal)
Potter's test piece fragment ... Jeff Vanderpool ... Well L 11:1. Horizontal (normal) ... 20 Apr 2021
Potters' debris test pieces wasters ... Anne Hooton ... Drafting Film Drafting Ink
Potter's Test Piece Fragment. Potter's Test Piece ... ΩΔ-5 859, 860 ΩΔ 492 P 32374 P 32376 ΩΔ 483 P 32365 P 32377 P 32378 P 32376 P 32377 P 32378
Potter's Test Pieces ... AMS Horizontal (normal)