e rotation of the first inventions," continues the report, "are frequently improvements which will overcome some of the or forward propeller gives the water at the stern a presented in the form of translations made by per- difficulties inherent in the present type. rotary or whirling motion, and… … Pew persons, COL. J. J. ASTOR'S DESIGN FOR A MARINE TURBINE. are decided comparatively, structural ad- are capable of translating a technical description so best-known existing forms by the fact that it has no vantages in placing two propellers on the center line that it shall mean exactly the same…
Patents · Automobile · Rubber · Signal · Scientific American · Gas · Signal stations · Forced draft · Horse power · Circuit court · Signal service · Candle power · Rubber tree · Beachy head · Coast signal
Internet Archive · Public domain (published before 1931). Free to use for anything.
