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
HELICOPTER “BUTTERFLY”
Well-made screw — the key to a successful flight "butterflies". Pick up the wood, without the ROE and knots. Billet screw vystrugat in the form of a rectangular bar size 160х8х10 mm. In...
GLIDER A-1
After nearly a decade, resumed the holding of the all-Union sorevnovanii model airplanes-students. They will vystupat in teams of young men with models of three new classes: glider A-1,...
