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A study of ground noise in the reproduction of sound by photographic methods

✍ Scribed by O. Sandvik

Book ID
108320637
Publisher
Elsevier Science
Year
1929
Tongue
English
Weight
98 KB
Volume
207
Category
Article
ISSN
0016-0032

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A statistical theory is given of the connection of the graininess of the photographic negative and the flu ctuations of the density measured with an arrangement containing a galvanometer. This theory is applie d to the microphotometer and the graininess-m eter.