Photochromy

Photochromy is the art or process of reproducing colors by photography.[1]^[Note] Not to be confused with Photochromism (a reversible color change induced by light energy[2]). See Photochromism. Furthermore, a Photochrom is not the result of the photochromy process.

History

Colored images by direct exposure from nature using a Lippmann plate[3]

Color printing method by the bleach-out process.[4]

Notes

In the original publication in 1891, Lippmann reports on photochromy in which he describes his famous method of photography in colors, the so-called "interference" method, based on the action of stationary waves.[3]

References

Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter
The Focal Encyclopedia of Photography, page 1079, Desk Edition (1969), Focal Press, ISBN 0-240-50680-4
Eder, J.M (1945) [1932]. History of Photography, 4th. edition [Geschichte der Photographie]. New York: Dover Publications, Inc. p. 668. ISBN 0-486-23586-6.
Eder, J.M (1945) [1932]. History of Photography, 4th. edition [Geschichte der Photographie]. New York: Dover Publications, Inc. pp. 673–675. ISBN 0-486-23586-6.

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[1] Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter

[2] The Focal Encyclopedia of Photography, page 1079, Desk Edition (1969), Focal Press, ISBN 0-240-50680-4

[Eder668-3] Eder, J.M (1945) [1932]. History of Photography, 4th. edition [Geschichte der Photographie]. New York: Dover Publications, Inc. p. 668. ISBN 0-486-23586-6.

[Eder673-675-4] Eder, J.M (1945) [1932]. History of Photography, 4th. edition [Geschichte der Photographie]. New York: Dover Publications, Inc. pp. 673–675. ISBN 0-486-23586-6.