- Brass alidade with folding sights.
- Currently not on view
- Object Name
- overall arms folded down: 5/16 in x 12 15/16 in x 1 5/16 in;.79375 cm x 32.86125 cm x 3.33375 cm
- ID Number
- catalog number
- accession number
- See more items in
- Medicine and Science: Physical Sciences
- Data Source
- National Museum of American History
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