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Gas-Valve.
Patent for improvement to gas valve "which is adapted to be used in connection with a water heater" (9, 11-12) including description and illustrations.
Date:
October 12, 1915
Creator:
Cochran, Harry A.
System:
The Portal to Texas History
Torch.
Patent for torch specifically designed for "trainmen in the operation of trains at night" (lines 12-14). Includes instructions and illustrations.
Date:
October 12, 1915
Creator:
Taylor, Frank J.
System:
The Portal to Texas History