When working with such sensitive measuring instrument like micrometer, it is necessary to hold it with two hands — and what to hold on to what is measured! A kind of third hand may be that the bracket on the stand that allows you to quickly secure the MIC, freeing your other hand for holding the measured part.
Recommend to read
PEAR IS LIGHT
To fill the tank of a car in the field — for example, from a barrel or tank of the other vehicle drivers often use a simple hose and the so-called "sucking method", creating a vacuum...
CONTAINER VELOCIMETRY
Hobbyists and modelers know how hard it is without a special container to connect several dry cells "373" in the battery. Reliable and easy temporary container is obtained from the...
