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
TRUCK-SCARCE
For a long time I enjoyed long ago acquired by manual uniaxial shopping cart (unfortunately, information about the manufacturer not preserved). But remember, in the passport on the cart...
WHEN THE TRAILER CAN NOT AFFORD
Car trailer, about which speech will go, was produced by D. Baker. In General, still quite a young man — he is 25 years old. In their family, loving actively to spend the summer vacation...