![](https://coimages.sciencemuseumgroup.org.uk/68/255/large_thumbnail_b750698.jpg)
IBM hand card punch
- Made:
- circa 1950 in London
![IBM hand card punch](https://coimages.sciencemuseumgroup.org.uk/249/568/medium_cd0074_016_050124_eg_1997_19_1_2_ibm_hand_card_punch.jpg)
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