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William Norman Lascel Davidson
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Publication of GB190516104ApublicationCriticalpatent/GB190516104A/en
16,104. Davidson, W. N. L. Aug. 8. Magic-lantern apparatus.-In projecting a set of colour kinematographic positives, a revolving prism or sector containing different colour screens may be adapted to project two or more colour images at the same time; or coloured rays may be transmitted from the back of the films to act as colour screens instead of the usual screens in front of, between, or behind the lens or lenses.
GB190516104D1905-08-081905-08-08Improvements in Colour Photography
ExpiredGB190516104A
(en)
Improvements in and relating to the Production of Negatives and Positives for Multi-colour Projection and Improved Means for Projection on to a Screen.