“PRESS” FOR TUBE

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

  • UNKNOWN “CYCLONE”UNKNOWN “CYCLONE”
    The carrier rocket "Cyclone-3". Early 60-ies of the last century was marked not only by competition in space between the USA and the USSR, but a nuclear arms race. The first examples of...
  • BENCH TAVERNBENCH TAVERN
    Usually a small supply of potatoes is in the house constantly. Keep it in the cold (which is a large part of the year) in the kitchen: in bag, box or bucket. But such containers, except...