The Single-Hole-Sprocket Format

Whereas the Edison design, dating from the kinetoscope in 1893, called for four rectangular perforations per frame (see Figure 2.2), the Lumière filmstrip had only one round hole per image. Because subsequent American and British projectors adopted the Edison format, it wasn’t long before only Lumière films could be shown on Lumière projectors. To accommodate exhibitors who wanted to show Lumière films on competing projectors, the Lumières began producing them in the four-sprocket format. Unfortunately, the availability of these prints did away with the last remaining advantage of acquiring a Lumière projector.

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