IBM hand card punch

Made:
circa 1950 in London
One of two hand card punches used by Dr John Lawrence and his

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One of two hand card punches used by Dr John Lawrence and his
Science Museum Group
© The Board of Trustees of the Science Museum

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