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.
A selenium actinometer has been described in the Comptes Rendus in a communication from M. Morize, of Rio de Janeiro.
From Scientific American Supplement, No. 484, April 11, 1885 by Various
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
We can, however, by chemical means arrive at an exact estimate of the active power, and for this purpose an actinometer is used.
From Scientific American Supplement, No. 492, June 6, 1885 by Various
The actinometer indicated an exposure of thirty seconds where in good light one would be right.
From Scientific American Supplement, No. 492, June 6, 1885 by Various
Then note down everything you have done—kind of view, stop, speed of plate, exposure of each plate, and length of exposure of actinometer.
From Scientific American Supplement, No. 492, June 6, 1885 by Various