A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF) to ...
The flagship of the electronic autocollimators, the ELCOMAT HR-C, is an angle measuring instrument for applications requiring the highest accuracy possible. Its ultra-robust opto-mechanical design, as ...
Scales are number lines which can be straight or circular. The number line is split into intervals with divisions marked. You will see scales on measuring jugs, car speedometers, oven dials and many ...
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