Why were the early movies in black and white, what was so difficult with colours? And what are the dots on old movies?
In: Technology
The circle near the upper-right-hand corner about halfway through the film was a cue for the person showing the film to start the projector with the next reel so the film could be enjoyed as a seamless whole instead of having to take time to stop the projector, load the next reel, and then resume the film.
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