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Windmill Tower
Patent for a windmill tower. Illustrations included.
Date:
September 10, 1907
Creator:
Eubank, Josephus H.
System:
The Portal to Texas History
Internal-Combustion Engine.
Patent for an internal combustion engine for multi-cylinder engines, which has automatically opening valves powered by the exhaust gas.
Date:
September 17, 1907
Creator:
Thomas, Percy Frank
System:
The Portal to Texas History