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 HEIRS “ICELANDIC” SCHOONERS
In the second half of the nineteenth century the fishermen of the Atlantic coast of France, and especially popular were the so-called "Icelandic" schooner — two-masted wooden vessels...
HOLOCAMERA — ANY
Because of the deterioration of the old Velocimetry often have to fix. The new find does not always succeed there, but another size of industry and trade not able to keep up with...
