Hydrometer
A Dictionary of Scientific Terms · 1927 · p. 3
An instrument used to determine the specific gravity of a liquid.
Bu kavram başka kaynaklarda da geçiyor
Adair's New Encyclopedia (1923)
The American Illustrated Medical Dictionary (1913)
A Law Dictionary (1910)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1893)
Nuttall's Standard Dictionary of the English Language (1890)
Illustrated Marine Encyclopedia (1890)
The Century Dictionary: The Encyelopedic Lexicon of the English Language (1887)
A Military Dictionary (1810)
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