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
AND SCREW
Wooden parts are often connected by screws. However, this connection is not always acceptable if you are dealing with blanks, for example made of chipboard, which in this case pipetted...
WILL FLOAT… RESINOID
In the soul of every boy living Navigator, so any rain brook — is a river, and a large puddle is a sea calling out to let the boats from the simplest of chips or a sheet of paper, to...
