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 KEY FOR “LAMB”
It happens that the nut-"lamb" cannot be unscrewed by hand. Will come with original key from the segment of steel pipe with diametrical cuts.
MOTORBOAT “MIRAGE”
In my time, I had the opportunity to build and test many motorboats. The first to hit the water was the motorboat "Zvezdochka", whose drawings were published in the October 1966 issue of...
