Electro-photometer
Hawkins' Electrical Dictionary · 1915 · p. 3
—An instrument for comparing sources of light by referring them to the light of an electric spark as a standard.
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electro-
—
Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
Photometer
—
Hawkins' Electrical Dictionary (1915)
electro-
—
Appleton's Medical Dictionary (1913)
electro-
—
The American Illustrated Medical Dictionary (1913)
photometer
—
The American Illustrated Medical Dictionary (1913)
Photometer
—
Chamber's Twientieth Century Dictionary (1908)
Electro-
—
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
Photometer
—
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
Photometer
—
The Optical Dictionary (1904)
Electro-
—
The Student's Medical Dictionary (1896)
Photometer
—
The Student's Medical Dictionary (1896)
Photometer
—
Chamber's Etymological of the English Language (1895)
PHOTOMETER
—
An Illustrated Encyclopedic Medical Dictionary (1894)
Photometer
—
The Standart Electrical Dictionary (1892)
Photometer
—
An Illustrated Dictionary of Words Used In Art and Archealogy. (1883)
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