Water wheel for a two-direction rotation generator
YU93681A
Compressed-air-driven motor
YU93581A
Automatic belt-type speed gear
YU255580A
Hydraulic turbine for increasing the initial pressure
YU296679A
Electric lines and current collector for electrically driven cars and for rail vehicles
YU84979A
Pump turbine power station driven by tide and ebb and the waves as well as by river water
YU84879A
Electric generator with double direction rotation driven over the axle and over the housing,and a water wheel into which the electric generator is positioned
YU299978A
Self-propelled airplame wheels of a supporting fork
