
From the usual construction of the jig saw and hacksaw with tubular curved handle, the blade clamped so that the propyl is limited by the depth of the arc of the holder. However, if the arc is to bend sideways, it will be possible to cut all lengthy workpiece. How this is achieved, it is clear from the cited figures.
S. GOLIKOV, Leningrad
Recommend to read
“FIREFLY”
This simple and reliable model was developed in the Chisinau children's club "Firefly" under the leadership of Alexander Pavlovich Marchenko. All modelers-beginners, writes...
SAILING… WIND GENERATOR
They say that the new is the well forgotten old. And energy seems to be no exception here. Having burned itself at Chernobyl and faced the threat of an energy crisis in a number of places,...