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Improvement in Vibrating Propellers
Patent for Improvement in vibrating propellers for steamers to improve the ability to control the vessel. Includes two illustrated and labeled figures.
Date:
February 18, 1873
Creator:
Macowitzky, Charles P.
System:
The Portal to Texas History
Improvement in the Propulsion of Vessels.
Patent for improvement in vibrating propellers with continued paddle action that can be attached to a line of boats.
Date:
December 30, 1873
Creator:
Macowitzky, Charles P.
System:
The Portal to Texas History