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Compressor.
Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date:
April 19, 1910
Creator:
Mayhew, John Daugherty
System:
The Portal to Texas History
Monkey-Wrench.
Patent for a wrench, which can be used as a S wrench or a monkey wrench and is durable.
Date:
March 22, 1910
Creator:
Post, Parley C.
System:
The Portal to Texas History