In the District Court of the United States, for the Eastern District of Pennsylvania, the United States of America, petitioner, vs. Motion Picture Patents Company, et al., defendants (1914)

Record Details:

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3268 Harry N. Marvin, Direct Examination. reel/' the continuously running sprocket feed rollers positively engaging the film and feeding it uniformly, and marked "Latham slack forming feed rollers'' and "Latham slack forming feed rollers/' the intermittent feeding device positively engaging the slack portion of the film and adapted to feed it positively with an intermittent motion at a high rate of speed across the fixed illuminated exposure window in such a manner that the intervals of pause and illumination shall exceed the intervals of movement. This mechanism is marked "intermittent feed1' on the chart. The fixed lens will be noted marked "lens/1 and the source of light, which is marked "lamp." The shutter shown on this diagram and marked "Armat shutter" is a type of shutter in general use prior to the beginning of 1908. It will be noted that this shutter is adapted to intercept the light during the interval of movement of the film, but not during the interval of pause and illumination. Mr. Church: The chart last referred to and last described by the witness is here offered in evidence by counsel for the defendant, and it is requested that the same be marked "Defendant's Exhibit 182." The exhibit is received in evidence, and is so marked. By Mr. Church: Q. I show you still another chart and ask you to state what it represents. A. This chart represents the several features of construction common to the projecting machines in use at the beginning of 1908. The central figure upon this chart represents in a diagrammatic way such common features, and the smaller figures appearing in the corners of the chart and connected to the central figure by arrows, illustrate features of mechanism of an earlier date, all of which are found embodied in the mechanism illustrated in the central figure, as indicated by the arrows. This central figure is similar in all respects but one to the figures shown in the preceding Exhibit 182, but it will be noted that on the present chart, the shutter is of a different type than the shutter shown on Exhibit 182. The shutter illustrated on the central figure of the present chart, which is an illustration of the mechanism shown in Photograph No. 7 of Defendant's Exhibit 179, is adapted to intercept