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Means for Propelling Boats.
Patent for a means for propelling boats that uses pneumatic pressure and does not use propellers and screws. The invention has increased propulsion.
Date:
October 16, 1894
Creator:
Higgins, Pattillo
System:
The Portal to Texas History
Dredging Apparatus.
Patent for an improved dredging apparatus that plows or scoops, and has "an endless traveling elevator, the latter, being arranged in a rigid frame that is supported at a suitable angle, and the scoop being hinged to the lower end of said frame so that it works horizontally, or practically so" (lines 9-14).
Date:
October 30, 1894
Creator:
Hyatt, Frank A.
System:
The Portal to Texas History