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Boat-Propeller.
Patent for a boat propeller, which is inexpensive and adaptable to small boats. The propeller can go forwards or backwards and use multiple oars.
Date:
February 5, 1901
Creator:
Caffey, John W.
System:
The Portal to Texas History
Acetylene-Gas Generator.
Patent for an acetylene-gas generator that provides an apparatus in which the parts may be readily detached for convenience in making repairs.
Date:
June 5, 1908
Creator:
Carl, Reinhold A.
System:
The Portal to Texas History