Undergraduate Designs Radical Abacus to Rival Harvard Electronic Calculator Yale Daily News, Friday, January 10, 1947 (p. 1, 5). A.G. Puddlefoot, Yale '50, with circular abacus challenges Mark I or II. Photo: Puddlefoot with abacus.
Object Details
- Collection Creator
- Hopper, Grace Murray, 1906-1992
- See more items in
- Grace Murray Hopper Collection
- Grace Murray Hopper Collection / Series 9: Humor File
- Container
- Box 5, Folder 27
- Archival Repository
- Archives Center, National Museum of American History
- Type
- Archival materials
- Collection Citation
- Grace Murray Hopper Collection, 1944-1965, Archives Center, National Museum of American History
- Collection Rights
- Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
- Collection Restrictions
- Collection is open for research.
- Record ID
- ebl-1562729477047-1562729477128-6
- Metadata Usage
- CC0
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