Drill a hole at the end of a wooden rod, RUB the rod of candle wax and thread the wire end through the hole (see "Fabrication of tapered spiral" , step 1).
Wrap the rod with a wire coil to a coil to obtain a tight spiral, and remove it (see "Fabrication of tapered spiral", step 2).
Grip the spiral with one hand, thumb and forefinger of the other hand atribuite every turn sideways. Maintain the same distance between adjacent turns of the measuring tip of the index finger.
As folding of new turns of the wire itself coagulates in the secondary spiral (the spiral of the spiral). Continue until all the coils will not be deflected.