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 very suitable instrument for timing the exposure of carbon tissue is Sawyer's actinometer.
From Photogravure by Henry R. Blaney
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 Robert Chambers
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 consists of a large cylindrical thermometer bulb, with a scale considerably lengthened, so that minute changes may be easily seen.
From A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility by Henry Negretti
You may sometimes find that the actinometer indicates a very different exposure from what the eye would lead you to expect.
From Scientific American Supplement, No. 492, June 6, 1885 by Various
