International Workshop BF
National Museum of American History, Catalog Number 1978.2289.01
Japanese Artillery Simplex Slide Rule
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Data:
- Brass slide rule with glass cursor and leather case
- 0.6 cm × 28 cm × 3.1 cm
- Note: The PowerHouse Museum link on the NMAH web site should read https://collection.powerhouse.com.au/object/384855
Question:
- Maker?