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.
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AND HANDS INTACT!
Sharpen the saw — a simple matter, but it has the potential to injure your fingers on the sharp teeth. Use a cut rubber hose. It is sufficient to cut: it up and push on the part of the...
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If you have Minnie children - protect them from an accident by a gas or electric stove protective "fence" of wire or duraluminium corners.
