Hobbyists and modelers know how hard it is without a special container to connect several dry cells “373” in the battery. Reliable and easy temporary container is obtained from the segment of old Bicycle inner tube. Its length must be equal to the total height of all elements (see figure). The first element of push to the middle of the tube, and then both sides stick to it other sources of supply.
A. KUPRIYANOV, a pupil of the 7th CL., g. Omsk
Recommend to read
THE TRUCK WAS A TRACTOR
I'm a longtime, or rather, hereditary subscriber of the journal "modelist-Konstruktor". First (1972) the journal was written by my father - Galkin Grigory Petrovich (he is now 80 years...
PETROL ROAD
Kerosene Primus "Record" for a long time I had in the garden house. At first I wanted to throw it away, because kerosene is now even in the village rarely to be found, but then changed his...
