Birch, Stewart, Kolasch & Birch
Method of power generation and its apparatus utilizing gravitation force and buoyancy
 An apparatus for the generation of power which comprises a first cylinder and a second cylinder, a first float member and a second float member disposed in the first and second cylinders, respectively, a first inner cylinder and a second inner cylinder disposed in the first and second float members, respectively, a first lever and a second lever connected to the first and second float members, a crank member rotatably disposed on a crank shaft, a pair of arms connected at one end to the crank member and at the other end to the first and second levers, introducing and removing member of a fluid to and from the first and second cylinders, introducing and discharging member of air to and from the first and second float members, whereby when the fluid and air are introduced into the first cylinder and float member, and simultaneously removed from the second cylinder and float member, the first float member is caused to rise in the first cylinder and the second float member is caused to fall in the second cylinder, causing the levers to move up and down and causing the crank to rotate about its crank shaft. 
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F03B Y02E F03G
inventional additional inventional
Baek K. Myung K. Se Eun
Shin Kim Lee