To know the exact diameter of the wire will fail, and no micrometer or Vernier caliper, if you use … normal range.
This is quite tightly wound on the rod a small number of turns of wire, then measure the width of the winding divided by the number of turns: the number obtained will be the required diameter.
Recommend to read
WHERE WAS THE THREAD
Many hams are faced with the problem: the drilling micro-holes in the manufacture of printed circuit boards! Drill a small diameter even in the cities is rare, and they often poma. My...
NOT WATER, AND CLEAN
To the well-known options for self-cleaning clogged sewer pipes want to add your own, repeatedly proven in practice. I use for these purposes gofrirovannyi plastic hose, usually used for...
