Abstract
THE author is universally known among photographers as the inventor of the Watkins exposure meters and as having devised methods of exposure and development whereby the results are rendered more certain than by the older “rule of thumb” procedure. In this manual Mr. Watkins has systematically set forth his methods of timing exposure and development, and as these methods are sound in principle and useful in practice, a complete and orderly presentation of them as is here given results in a handbook that must be of great value to all serious students of the subject. It is the most welcome photographic manual that we have received for a long time.
The Watkins Manual of (Photographic) Exposure and Development.
By Alfred Watkins. Pp. 124. (Hereford: The Watkins Meter Co.; London: George Houghton and Son, 1902.) Price 1s. net.
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J., C. The Watkins Manual of (Photographic) Exposure and Development . Nature 66, 245 (1902). https://doi.org/10.1038/066245a0
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DOI: https://doi.org/10.1038/066245a0
