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PAET VII.
to make his camera apparatus a complete commercial success. He provided it with perforations along the edges at regular intervals into which the teeth of ratchet wheels of the camera entered to give it the required motion ; a mechanical contrivance to adapt it to the performance of the functions of the machine. This cooperation of the rows of holes with the teeth of moving wheels he had described in a caveat of 1889 as shnilar to that in the AVheatstone telegraph instrument for insuring a positive motion of the band. Moreover, perforations had been previously made in photographic films for feeding purposes. (See Reyaud's French patent.) So far our conclusion is the same substantially as that of the Circuit Court of Appeals in the decision before referred to in which claim 5 of the original patent, and, incidentally, claim 6, were under consideration.
It is further contended that the film of the present patent claim has been invested with new and substantial qualities, by reason of the distinct, imiform, equidistant photographs taken of moving objects which, when the negative strip is converted into a positive, can be passed in the same manner through the exhibiting machine and give a lifelike repres(»ntation of the moving objects never before obtained. In the course of th(dr argument coimsel for plaintiff (appellee) say: In a word, the film produced by Mr. Edison and described minutely and with accurac}" in his ])atent, i-epi*esents a practical embodiment of all the elements nec