
To make the tension spring is easy: a tight navit wire round rod — coil to a coil. However, a spring working in compression, this technology is not suitable: between its coils must be a certain distance. In this case, help out a bolt of the correct size. Stacking wire into the threaded groove, we get a neat spiral with a specified step.
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The club "Romantic" from the city of Krasnoyarsk our readers know of the recent publication ("M-K", 1979, No. 4). The editors have received many letters with requests to acquaint them...
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When pouring the boiling water from the kettle didn't fall cover, fabricated sheet metal a simple device that secures the lid in an inclined position of the kettle. C. DACKOW, Novovyatsk