Journal of the Society of Motion Picture Engineers (1930-1949)

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454 TlJTTLE November A well-made focal plane sieve might do this. Small holes, widely spaced in an opaque member placed in contact with the emulsion, would allow only the parts of the picture that get through the holes > r I Fig. 2 — A landscape. to expose the film. If later each hole (or the sieve as a unit) could be displaced an amount equal to the diameter of a hole, a second picture could be taken on the unexposed parts of the film. In fact, every