
Good protective glass on the shield or the mask of the welder can be done independently. To do this, cut out two Windows of the same size that the visor or mask, and smoke one of them. It remains only to glue them (having laid between the glass paper gasket) ordinary silicate adhesive.
E. BOULUKOS, St. T e R m e s, Uzbekistan
Recommend to read
THE USE FOR ONE
"Headphone for stereo? This is too much, can mind reader. — How can provide high quality playback of regular head phones? After all, this requires a wide range of frequencies, a slight...
TACTICAL SIXTIETH
(Model-a copy of the R-17). In October 1950, S. P. Korolev, the former at that time Chief designer of the Department of NII-88, involved in the ballistic long-range missiles, appealed to...