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Electric-Lamp Socket.
Patent for an improved electric lamp socket "having a pair of switches which are alternately closed and opened, and having means for the attachment thereto of three conductors, whereby it is possible to light the lamp by means of a main switch" (lines 11-15), including illustrations.
Date:
April 4, 1916
Creator:
Elliott, William Martin
System:
The Portal to Texas History
Wave-Motor.
Patent for a wave motor including an apparatus within a wave disturbed liquid using a power converting mechanism to convert energy in a more convenient form, including illustrations.
Date:
April 4, 1916
Creator:
Fousek, Karl
System:
The Portal to Texas History