This simple device facilitates the use of any tube, helping to squeeze it evenly and gently. It consists of a base in a hole which is inserted the tube, and turning a key with slit for exciting a planar end of the tube. The base and key are made of wooden bars of appropriate dimensions. Their interaction is clear from the figure.
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the (the End. The beginning see in # 9-11) SERVOS In the "Radiopop" is applied to the DC motors with independent excitation (permanent magnet) type DP-1-26, DP-1-13 with...
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Article with a similar title, published in No. 10 of 1993, caused, as we expected, the increased interest of readers. And it caught the interest of car designers-the homebrew, discovered...
