actinometer
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It should register about 40 deg. with an actinometer used to test silver solutions.
From Photogravure by Blaney, Henry R.
A Johnson's actinometer is very useful to time the exposure.
From Photogravure by Blaney, Henry R.
A very suitable instrument for timing the exposure of carbon tissue is Sawyer's actinometer.
From Photogravure by Blaney, Henry R.
The actinometer of M. Violle is, in principle, a sphere of copper, blackened externally, and having inside a thermometric apparatus which registers some distance away.
From Sounding the Ocean of Air by Rotch, A. Lawrence
Another object was, to bring down specimens of air from different altitudes, for analysis; to try the effect of the actinometer at great elevations; and to note the hygrometric condition.
From Chambers's Edinburgh Journal, No. 456 Volume 18, New Series, September 25, 1852 by Chambers, Robert
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.