Having estimated the location on the wall overhead shelves, cabinets, or perhaps carpet, not in a hurry so just drilling the holes in the wall. It may well be that the concrete wiring. There are, of course, different electronic devices, which will easily detect the dangerous zone. However, in the absence of such devices it is possible to use the sensor from the output transformer of a radio receiver, or PA speaker — you only need to touch his core and connect the high resistance coil to the head phones. Moving the sensor along the wall, carefully listen for: close to a wire under current, headphones you hear a distinctive background AC.
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THE FIRST VERTICAL TAKE-OFF “SVERKHZVUKOVOM”
In the mid-fifties of the last century the theme of vertical take-off aircraft excited the minds of the designers and the military in many countries. Was no exception and West Germany....
LIKE MASON
Love your magazine and want to share with readers his "invention". A similar device was published in the magazine, but mine is more versatile. And took it when I had to lay down a brick...
