Sometimes the drills, especially in the already served, without distinction, the marking indicating the diameter. It would seem that to define it is only possible with a micrometer. But here’s a simple and fairly accurate method of measurement with… grip. Drill clamped in their jaws, and remaining between them a gap corresponding to the diameter of the already available ordinary ruler with millimeter divisions.
Recommend to read
GEAR? EASY!
Despite all the difficulties of the post-Soviet time, the interest of our young citizens for the modeling are gone, and the ranks of the students, is passionate about making the existing...
THE RESPONSE FROM CHAMBERLAIN
The first years after the conclusion of the London naval agreement of 1930, it caused a massive shift to the construction of light cruisers with 6-inch guns, were relatively quiet. The...