Transactions of the Society of Motion Picture Engineers (1922)

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machine fitted with a corresponding pull down and gate, and with three condensers and three sets of objectives fitted with special registering devices (Fig. 18). The results given by this process are admirable, all colors, of course, being perfectly rendered and the quality being in every way first class. 1 t£ ***•■■* 1 I " IK HI ^^I^Hp- VI ,.,, 1 J 4 ^^ p^1 Fig. 17. Set of Gaumont negatives and positives In order to place color motion pictures upon a generally wide spread commercial plane, it is clear that it is necessary to develop the subtractive process and to take a film with its highlights quite transparent so that ordinary projection intensities can be used and a Fig. 18. Diagram of three lenses in Gaumont Camera 150 .