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A salinometer is used to determine the saline content of sea water. This example has three glass hydrometers with shot ballast, a metal jar, and a wooden case. It came from the Smithsonian, and may have been acquired by Joseph Henry, the experimental physicist who served as founding Secretary of the Institution.
Currently not on view
Object Name
overall: 4 7/8 in x 11 in x 10 1/4 in; 12.3825 cm x 27.94 cm x 26.035 cm
ID Number
catalog number
accession number
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Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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