actinometer

Example Sentences

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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

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

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

It should register about 40 deg. with an actinometer used to test silver solutions.

From Photogravure by Blaney, Henry R.

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