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
The AERATOR! SIMPLE!
Aerator for bath to build not so simple: it is necessary to drill the tub, equipped with holes check valves, etc., I came easily — assembled rectangular frame of duralumin pipes from the...
SQUADRON BATTLESHIP “SISOY GREAT”
SQUADRON BATTLESHIP "SISOY GREAT". Scale model 1:200. Preparations for the construction of the fifth battleship in the Baltic sea began in the period is quite difficult for domestic...