Someone who knows Morse code or just going to study it, can build a simple device, shown in the figure. On a plywood Board install the battery B and the lamp L of the flashlight. Contactor In the manufacture of contact plate faulty relay. Now connect the parts to each other by wires. To increase the “range” of the Telegraph, put a lamp made from tin or heavy paper tube — a tube length of 20 cm.
Recommend to read
LEAST FAVORITE SHIPS OF THE KAISER
1888, the coronation of Wilhelm II, last Emperor of Germany, claim to very much, which has plunged his country into the bloodiest in the entire history of the Earth, war ended in...
BRUSH FOR FIVE MINUTES
You urgently needed a thin brush and matching hand was not — immediately make themselves needed. Take the vacant core of a ballpoint pen, pass through a long loop of thin perevoloki or...
