
A simple “opener” for metal cans with lacquer or varnish can be done in just a minute from block of wood and two nails.
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JEANS-INSTRUMENTAL
Pockets home worker during work, usually "clogged" with all sorts of "needed stuff". To increase their volume and provide easy access to help special apron with pockets made from old jeans.
“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...