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
IRON VULCANIZER
If the electric iron has served its purpose, but the heater in it is still working, use it in a new role - a vulcanizer. It's not at all difficult to do this. Cut a bracket from...
APPLES INSTEAD OF… UNDERWEAR
Fans of Apple juice can offer simple to manufacture and does not require significant investment homemade juicer. It is made from an old washing machine. The factory extractor has low...