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
“COMPACT -800” MOTOR FOR ALS
Numerous rallies of Amateur aircraft collected hundreds of enthusiasts, small aircraft, and it clearly showed that the interest in the design of Amateur aircraft huge. However, in...
“YAUZA” – A CAR FOR THE CITY
“I intend to build a car for widespread use. It will be large enough to fit an entire family, but small enough for one person to operate it. It will be made of the best material and...