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
HOW TO MAKE “ACCORDION”
For the photographic enlarger can be adapted and ready-made fur — like the old camera. If you find this does not succeed, do not worry — it is quite possible to do yourself. ...
“CYBER” MANAGES OBJECTS
To consider, compare, think, manage that work, which are handled by modern computers. With the help of electronic machines is calculated the orbit of the motion of planets, satellites...
