2 public-domain matches

Vertical Axis Wind Turbine

Cover of Wind Turbine Power Optimization Technology

Wind Turbine Power Optimization Technology

Francesco Castellani, Davide Astolfi

Cover of Bergosse - Wind turbine with vertical axis of rotation, German Patent 125189 of 1901

Bergosse - Wind turbine with vertical axis of rotation, German Patent 125189 of 1901

H. Fr. Bergosse