Stories by H. C. Vogt

The SciencesMay 24, 1913

The Pendulum Propeller Rudder

An Oscillating Substitute for the Screw

H. C. Vogt

The SciencesDecember 8, 1894

An Improved Sail System

H. C. Vogt

The SciencesNovember 3, 1888

On the Propulsion of Ships by Air Propellers

H. C. Vogt