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Synonyms for actinometer

Grammar : Noun

Spell : ak-tuh-nom-i-ter

Phonetic Transcription : ˌæk təˈnɒm ɪ tər

Définition of actinometer

As in light meter : noun photography device

Example sentences :

A Johnson's actinometer is very useful to time the exposure.
Extract from : « Photogravure » by Henry R. Blaney

We can, however, by chemical means arrive at an exact estimate of the active power, and for this purpose an actinometer is used.
Extract 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.
Extract 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.
Extract from : « Scientific American Supplement, No. 492, June 6, 1885 » by Various

For judging long exposures, the use of an actinometer (issued in many inexpensive forms) is helpful.
Extract from : « How to Observe in Archaeology » by Various

A very suitable instrument for timing the exposure of carbon tissue is Sawyer's actinometer.
Extract from : « Photogravure » by Henry R. Blaney

We then shift the paper in the actinometer so as to get a fresh portion under the tissue strips, or we substitute a new piece.
Extract from : « The Barnet Book of Photography » by Various

Now refer to the actinometer and see what has taken place on the silver paper which we put into it.
Extract from : « The Barnet Book of Photography » by Various

It is a good plan to employ an actinometer to judge the correct exposure.
Extract from : « Photographic Amusements, Ninth Edition » by Walter E. Woodbury and Frank R. Fraprie

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