Author: Boardman, H.
Title: Supplement to the P. I. C. book of instructions introducing the use of the P. I. C. direct and inverse log-log differential scales for finance calculations.
Description: np, P. I. C. Slide Rules, nd. 28 pp. soft cover. Sdescription VG. Light soiling and shelf wear to covers, light soiling to page edges, overall very good condition. No Jacket.

Keywords: P. I. C. direct and inverse log-log differential scales, finance calculations


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