1. Talbot Photo 21(48) Reference (shelfmark): Talbot Photo 21(48) Title: [Mathematical Drawing.] Scope & Content: Mathematical drawing in pencil and ink, the central scale line is in pencil with curves drawn either side in ink with faint intersection lines drawn in pencil. The paper had been folded in half. Collection Area: Visual Arts Languages: Not applicable Date Range: Unspecified Extent: 1 item