Circular slide rule (two cardboard discs with radial transparent plastic cursor) by General Industrial Co.1788 Montrose

Made:: 1959-1960 in Chicago and Maywood

Circular slide rule (two cardboard discs with radial transparent plastic cursor) by General Industrial Co.1788 Montrose, Chicago 13,Illinois, also marked Slide Chart Corp., 1959, Perrygraf, Marywood, Illinois

Details

Category:: Mathematics

Object Number:: 2001-12

Materials:: card, plastic, metal and complete

Measurements:: overall: 1.5 x 106 mm

type:: circular slide rule

credit:: Dr J. B. Harris

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Circular slide rule (two cardboard discs with radial transparent plastic cursor) by General Industrial Co.1788 Montrose

Details

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