The SMPE Transactions Volume 1 MEETING OF NOVEMBER 18-20, 1918 CLEVELAND J. G. Capstaff, English Patent No. 13,429 of 1915. (See below for the patent pdf.) The silver image is bleached and tanned so that the dye goes into the gelatine in proportion to the amount...
Brewster Colour was a two-colour subtractive colour process introduced in 1915. The process was extensively modified after 1930 and made into a three-colour system
The dyes used in colour films have to satisfy two main criteria; they have to be able to be formed in the colour process from a reaction between the silver halides being developed, the couplers in the emulsion and the colour developing agent in the developer and they ha…
After a film has been graded it is necessary to comunicate the grading information to the printing machine. This can be done by mechanical charts, By charts containing Waterhouse stops with and without colour filters, by metal clips,by punch tapes or computer control,…
Every piece of film that we print needs to have an exposure level so that the resultant printed material is of the correct density. It must not be too light or too dark. The process of determining the exposure level we call GRADING in Europe and TIMING in the USA.
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The search for motion pictures in colour started almost as soon as motion pictures themselves. The first process that actually produced motion picture frames was the Lee Turner process in 1901. For more information you can click on the links to open more pages on this …