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Lamp-Socket.
Patent for an electric lamp socket that regulates the intensity of the current passing through the socket. It has multiple contact posts and a manually operated slide that makes contact with the posts.
Date:
February 13, 1912
Creator:
Hall, James Monroe
System:
The Portal to Texas History
Bellows for Pneumatic Leaf Turners
Patent for bellows to leaf turners
Date:
February 20, 1917
Creator:
Holcom, Jarret C.
System:
The Portal to Texas History