The circles of proportion and the horizontall instrument. Both invented, and the vses of both written in Latine by Mr. W.O. Translated into English: and set forth for the publique benefit by William Forster. Add to clipboard GB 2014 WS-01-BUS-PRS/1/13a Item 1632 Part of Westminster School's Archive and Collections 160 pp. Oughtred, William, 1575-1660