While still in school, I restored the spent battery pocket receiver rather primitive, but effective way. With pliers gently removed the graphite rod and filled the battery with water. Then waited until the water completely evaporated, put back stem — and battery-some time worked better than new.
Recommend to read
INLAY NO INLAY
Many are familiar with the ancient art of Inlaid wood. Magnificent paintings drawn from tens and hundreds of pieces of wood, and now decorate the interior of apartments. But we are not...
SECRETARY OF THE STUDENT
Many original equipment for studying and doing something they demonstrated this year in Moscow at the International exhibition "Technical means in educational process". Special interest...
