We often hear apparent wind described using the analogy of a person sitting in a convertible car on a still day. As the car accelerates from zero to 20 mph, the apparent wind felt on their face will ...
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 ...
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 ...
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