THE SUN IN HARNESS

The intricate design shown in the picture, — not that other, as the solar engine, the engine that converts the thermal energy of sunlight directly into mechanical work. It is arranged simply. The surface of the octagonal drum represent the bimetal plate. With the middle of each bound metal rod heavy enough counterweight. Opposite one Read more…

POTICA AND BROACH

Deformed copper or brass wire you can make a perfectly smooth and straight in just a minute. Board hammer in a few nails to pass through them the wire, as shown in the figure and stretch it, storing the coil or drum. Wire, covered with insulating enamel, stretching in this way is not recommended — Read more…