IBM hand card punch

Made:
circa 1950 in London
IBM hand card punch

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One of two hand card punches used by Dr John Lawrence and his assistant, Muriel Yeo, for research on rheumatism in the population, made by IBM, c. 1950.

Details

Category:
Computing & Data Processing
Object Number:
Y1997.19.1.2
Measurements:
Overall: 150 mm x 150 mm x 450 mm,
type:
punch - marking tool