Arsenal of nozzles for vacuum cleaner can be recharged for more homemade — from a Bicycle saddle. A small segment of it, put on the end of a metal pipe-duct will help to clean hard to reach places corners, cracks, embossed surface. In addition, this soft head will protect the surface from scratches.
A. GUSHCHIN, Belorechensk, Krasnodar Krai
Recommend to read
NEW OLD COIL RUHMKORFF
Induction coil, in the last century invented Rumkorem, and is now used in experiments in physics. But now it is not fully satisfy the requirements of physical experiment creates...
ENGINE — UNIVERSAL
To the editor of the magazine received a lot of letters in which modelers are asked to familiarize them with the device of the engine, designed by the Leningrad athlete E. Gusev. During...
