Electrically-Operated Latch and Door (open access)

Electrically-Operated Latch and Door

Patent for electrically operated latch and door " and particularly to a construction for primarily operating a latch to release the door, the movement of which latch establishes circuit through a door-opening mechanism.(lines 11-15)
Date: May 19, 1903
Creator: Chambers, Joseph, Jr.
System: The Portal to Texas History