Resource Type

1 Matching Results

Results open in a new window/tab.

Rotary Moving Picture Machine. (open access)

Rotary Moving Picture Machine.

Patent for motion picture machine with interchangeable heads, allowing for change of one reel while the other continues to play undisturbed from same machine.
Date: November 16, 1920
Creator: Hansard, Robert L.
System: The Portal to Texas History