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* A slight degree of film tension is required above the feed sprocket (Item 1) and below the soundhead. This measure prevents the film from snapping upon motor start. | * A slight degree of film tension is required above the feed sprocket (Item 1) and below the soundhead. This measure prevents the film from snapping upon motor start. | ||
==Resources== | |||
== | [http://www.film-tech.com/warehouse/manuals/STRSIMPLEXHIST.pdf/ History of the Simplex Projector by John Cannon] | ||
==Images== | ==Images== |