. The book of photography; practical, theoretical and applied. l arecorrectly interpreted. How the Colours are Recorded. It has been seen that there are threetransparencies, answering respectively tothe ^ed, green, and blue-violet portions ofthe subject photogi-aphed. In the Krom-skop these are viewed through red, green,. 426 THE BOOK OF PHOTOGRAPHY. and violet glasses, the three images beingthrown at the same time into one. Thiswill be better vmderstood by reference toFigs. 570 to 575, which show the threenegatives and transparencies obtainedfrom a simple object, selected for thepurpose of il
. The book of photography; practical, theoretical and applied. l arecorrectly interpreted. How the Colours are Recorded. It has been seen that there are threetransparencies, answering respectively tothe ^ed, green, and blue-violet portions ofthe subject photogi-aphed. In the Krom-skop these are viewed through red, green,. 426 THE BOOK OF PHOTOGRAPHY. and violet glasses, the three images beingthrown at the same time into one. Thiswill be better vmderstood by reference toFigs. 570 to 575, which show the threenegatives and transparencies obtainedfrom a simple object, selected for thepurpose of illustration. Fig. 569 repre-sents the original, consisting of a violetcross on a red shield, the surroundingground being green. Figs. 570, 571, and opaque patch. It is perfectly evident,therefore, that when the transparenciesare all viewed at once through glasses ofsuitable colours, a correctly tinted repro-duction of the original will be seen. Compound colours, of course, will be re-presented on two or even three of thetranspai-encies, and will be truthfully.
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