- Brass hydrometer marked “Marine Hyd., 200° Fahrt.” The scale on the stem reads 0, 1/2, 1/32, 1/2, 2/32, 1/2, 3/32 and "Limit." This could be used to test the salinity of sea water, or water in a boiler.
- Currently not on view
- Object Name
- overall: 8 5/16 in; 21.1455 cm
- overall: 8 1/2 in x 1 1/2 in; 21.59 cm x 3.81 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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