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
LAVOCHKIN La-7
Baptism of fire fighter Lavochkin La-5 took place at Stalingrad, where the aircraft received from pilots. The machine is equipped with a 1700 HP engine M-82 had a top speed of about 600...
FOR ALL ELEMENTS
SMALL SPOOL, BUT PRECIOUS! Among multipurpose internal combustion engines, created by our readers, still have not found structures with the spool naturally. Meanwhile, this scheme...
