…The baby was cranky for a long time and finally fell asleep. A few minutes later the doorbell rings. And, of course, the baby wakes up, and now to calm his unlikely…
I propose a simple addition to the doorbell. Just say that it’s good for calls that are switched through the circuit of 220 V. Here we need a cartridge with a bulb and the switch. Everything is connected as shown in the figure. In normal mode when you press the button is actuated and a bell, and a lamp in the “quiet” — only lamp.
I. GALKIN, engineer
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OF BROKEN PLIERS
Of broken pliers get turns out to be excellent cutters. It is only necessary to sharpen the tool a sanding disc, giving it the shape as shown in the figure.
An all-purpose vehicle for a farmer
I built the self-propelled chassis called “Bychok” (Little Bull) more than ten years ago. Over this substantial period of use the machine has proved unpretentious, reliable and capable....
