The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 140
ig. 99. DENSITY 125 give in direct readings the degree of concentration of brineor the strength of an acid. 110. Hydrometers of Constant Immersion. — All of the hydrometers mentioned in Art. 109 have a common prin-ciple of action. They are called hydrometers of variableimmersion. Fahrenheit, the…
Physics
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