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.
Recommend to read
INDIVIDUAL “SHADOW”
Going on a fine summer day at the beach, you take a small bedroll, which at the chosen place and unfold the envy of all the neighboring vacationers receive individual oblong tent at the...
In spot welding mode
The welding apparatus I built is a modernized version of a device that has proven itself well in practice; its description and sketches were published in the magazine Modelist-Konstruktor...
