“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

  • THE “PONY” PLOWS AND HAULSTHE “PONY” PLOWS AND HAULS
    I set myself the goal of making a nimble, reliable, and compact walk-behind tractor. So that this mechanical assistant would work in the garden, plow the vegetable garden, cut beds, plant...
  • SPANISH LANDFILL LUFTWAFFESPANISH LANDFILL LUFTWAFFE
    Fighters Messerschmitt Bf 109 first modifications. (The end. Beginning at No. 7 in 2004). Frontline service Bf 109 in Spain began suddenly and quite successfully. In October 1936, when...