Archives Catalog Entry
Slide rule used by Tolman
Slide rule, ivory, long in leather case. Patent 1900, 1908. Etched: "Calif. Inst. Tech. Div. of Chem. 4784." Label on case: "Property of Chem: Research. Purchased for use of R. C. Tolman". Gold stamped on case: "K&E Polyphase Duplex Slide Rule". Manufacturer: Keuffel & Esser Co, New York.
Tolman, Richard C.
MEDIUM: Ivory; LENGTH: 22”; QUANTITY: 1
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