In everyday life there is often a need either to press or to put under the press has to resort to some kind of charge weights. However, a kind of the universal pressure can be a spring-loaded “clothespin” from portable lamps. B. VOLODIN
Recommend to read
“PYGMY”, “SIREN”, “TRITON” MADE IN THE USSR
In 1921 - 1939 in Leningrad acted Special technical Bureau for military inventions (Sptecbureau), it was headed by engineer V. I. Bekauri. In 1934 in a 1st division Sptecbureau was...
“KARLSON” ON THE ROOF
On the ridge of the roof of the house I made a weather vane Carlson. The design is very simple to manufacture. The "Carlson" produced from a metal sheet thickness of 2 mm. the Figure and...
