Liquid Compass
Liquid Compass
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- Description
- This compass has a heavy brass bowl gimbal mounted in a wooden box and a flat card with central buoyancy. The inscriptions read "E. S. RITCHIE BOSTON 23924" and "PATENTED" and "RITCHIE, BOSTON U.S.A." The Ritchie ledgers, now held by Ritchie Navigation, indicate that it was made on May 7, 1898, and sold to T.S. & J.D. Negus, a New York firm that sold a variety of nautical and optical instruments.
- Location
- Currently not on view
- Object Name
- Nautical Compass (Dry Card)
- Mariner's Compass
- date made
- 1898
- maker
- Ritchie
- place made
- United States: Massachusetts, Boston
- Measurements
- box: 8 1/4 in x 8 1/4 in; 20.955 cm x 20.955 cm
- gimbal ring: 6 in; 15.24 cm
- compass card: 3 3/4 in; 9.525 cm
- overall: 7 3/4 in x 8 1/4 in x 8 3/8 in; 19.685 cm x 20.955 cm x 21.2725 cm
- ID Number
- 1988.0287.01
- catalog number
- 1988.0287.01
- accession number
- 1988.0287
- See more items in
- Medicine and Science: Physical Sciences
- Measuring & Mapping
- Navigation
- Data Source
- National Museum of American History
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