Combined METER, untitled, (Austria-Hungary), circa 1930
Hardness Tester Poldi-Hütte
All surfaces around us have various roughnesses, which are divided into 14 classes, depending on the height of the surface microprofile.
This caliper is designed to measure jewelry made of gold, silver and other valuable materials
DRILL with a conical shank of 25 mm of the National Detroit firm, the USA, until 1942MACHINE with a cylindrical shank M45 by Card U.S.A., USA, until 1942
Rare meter "MAUSER" and Protractor "MAUSER"
Since 1922, the sister plant has been producing measuring and cutting tools, mainly for defense companies;