Title: | 1956S00727.00004 Hydrometer |
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Description: |
1956S00727.00004 Hydrometer, 1800-1850 Maker: Forbes Altrea (Edinburgh, Scotland) A Hydrometer is an instrument used for measuring density or relative density of liquids based on the concept of buoyancy. Baum's floats were used to measure the amount of alcohol in a liquid. The specific gravity will be between that of a float which remains on the surface and that which sinks. The alcoholic strength standards expected for various types of drinks are listed inside the lid. |
Keywords: |
Birmingham Museums Trust/Birmingham Museum & Art Gallery, Science and Industry, Manufacturers/ Brewery, Measure |
Usage Rights: | Creative Commons 0 - Public Domain. Optional attribution: Photo by Birmingham Museums Trust, licensed under CC0 |
Depth: | 37 |
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Unit: | mm |
Credit Line: | Presented by the Board of Trade, 1956. |