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Combined Socket and Switch for Electric Lights
Patent for a combined socket and switch for electric lights that allows different bulbs of a chandelier to be turned on separately.
Date:
August 20, 1912
Creator:
Bailey, Douglas A.
System:
The Portal to Texas History
Sash Balance and Lock
Patent for a sash balance and lock made to "simplify and improve the construction and operation of windows" (lines 13-14) by the use of a self-locking system.
Date:
August 20, 1907
Creator:
Hill, Ulysses H.
System:
The Portal to Texas History