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
NOT RAISING DUST
To the broom lifted off the floor dust it can be equipped with its own humidifier. Take the flat plastic shampoo bottle, drill in the lid a few small holes, pour water and tighten on the...
BRAKE LIGHT REPEATER
For remote monitoring of the serviceability of stop-light lamps in a car, transistor electronic («Modelist-Konstruktor» No. 6'2000) or relay-transistor devices are usually used. The latter...
