Squeegee Hardness Tester GS-719N Made by TECLOCK CORPORATION in Japan
Introduction
DUROMETER, RUBBER and PL ASTIC HARDNESS TESTER isproduced from a thought that there might be a manner to express anambiguous sense of human feelings about the hardness, e.g. “slightlysoft”, by a numeral value which can be compared by some physicalmanner, and that it might be possible with an elastic material which canbe distorted by a human force.
The basic concept of this idea is following as...