Here’s a simple device, which you can use per minute to make any small spiral spring. A u-shaped bracket with the rows of holes and some steel tap wrenches of different diameters — all that is required. Insert in the corresponding hole of the bracket selection tool, thread through the top hole and the slot of the nose of the crank end of the wire And twist the handle.
Recommend to read
“TELESCOPIC” ARM-CHAIR
Unusual chair-bed designed specifically for small room area of 13.5 m^2. Its peculiarity is that it is not a convertible, as it were, telescopic: it has two series-extendable drawers,...
NOT AHEAD OF THE SOUND
Experimental aircraft D-558-I. In late 1944 the Douglas firm received an order to develop an experimental aircraft with a turbojet engine. The main goal of this project was to obtain...
