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
There are no small details in a car
The importance of proper operation of a car's electrical equipment is, of course, indisputable. This thematic selection prepared by our author tells how to increase its reliability.
HOW...
WOODEN ANTENNA…
The ham-hams is well known that, to ensure reliable connection in addition high-sensitivity receiver and a powerful transmitter is needed and a well-designed antenna. There are many...