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Period: to
1890
Thomas Edison's assistant, W.K.L. Dickson, begins devoting himself to the "motion picture project". He and his staff develop a horizontal-feed motion picture camera. -
Period: to
1902
In Los Angeles Thomas L. Tally's Electric Theatre becomes the first permanent movie theatre in the U.S. -
Period: to
1903
The courts rule that a film does not have to be copyrighted frame-by-frame, but rather that it can be covered in its entirety by one copyright submission. -
Period: to
1940
In the United States there are 17,500 movie theaters in operation, one for every 8,000 people. Out of a total U.S. population of 130 million, it is estimated that 55–60 million Americans go to the movies every week. -
Period: to
1951
Acetate/Safety film, made from cellulose triacetate, has replaced the highly inflammable nitrate film as the standard for 35mm film production, distribution and film preservation.