aai&a&ilili! m :■.:: ggfj . THREE-COLOUR PHOTOGRAPHY. For large sizes it is advisable to use tanks, which aremanufactured in excellent quality by Carl Zeiss, in Jena,Penrose & Co., in London, etc. … mm. All following recipes formm. tank opening, and if differ- Fig- 33- The tanks are formed by a circular glass ring closedhermetically with two optically-worked glass discs, and areenclosed in a brass mount which fits on to the front ring ofthe lens. The width of the tank, which is governed by…
Color photography · Color printing
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