privernuty screws to a wooden cube, to help you quickly and accurately to solder the two conductors.
Recommend to read
COVER – NOT THE DEFICIT!
Something I have done for drawings and diagrams, published in the journal under the heading "Club home of the masters". In one of the rooms was a note on the machine to edit used caps...
INSTEAD OF THE ARROW LAMP
In the Arsenal of the Amateur radio voltmeter almost the most important measuring device. But the trouble is that to produce and it is not always possible. And not because the scheme is...