3 Matching Results
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Railway-Crossing.
Patent for a railway crossing, which is simpler to build and maintain and more durable than previous railway crossing connections.
Date:
January 21, 1908
Creator:
Hosmer, Arthur
System:
The Portal to Texas History
Pipe-Wrench
Patent for a pipe wrench. Illustrations included.
Date:
January 14, 1908
Creator:
Lubke, Ernest F. & Reed, Edmund C.
System:
The Portal to Texas History
Gas-Producing Furnace
Patent for a gas producing furnace that is "highly efficient in the combustion of slack coal, lignite, and other gas producing material" (lines 12-14).
Date:
January 14, 1908
Creator:
Gamer, Charles
System:
The Portal to Texas History