Produced digital multimeters (like many other devices) have on the arrow switch in color that almost merges with the body. Arrow will be more visible, if you paint with white enamel or stick to it with glue “Moment” the same size arrow out of paper or thin white plastic.
Recommend to read
“PYGMY”, “SIREN”, “TRITON” MADE IN THE USSR
In 1921 - 1939 in Leningrad acted Special technical Bureau for military inventions (Sptecbureau), it was headed by engineer V. I. Bekauri. In 1934 in a 1st division Sptecbureau was...
DUO ROLLERS
Original brush two foam rollers used for painting walls and ceilings V. Vakulenko from St. Petersburg. They are located on the shaft so that rotates in contact with each other, the lower...
