In 1631, the mathematician Pierre Vernier invented an instrument that could be used to measure lengths and angles with unprecedented precision 2. The Vernier scale — a sliding, secondary scale that ...

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Measuring small objects with a Vernier caliper is a lot more accurate than using a ruler, but how to read a manual Vernier caliper is a mystery to most. Step 1: Manual calipers typically have a ...

The capability of a vernier or digital caliper depends on the accuracy of the scale. A caliper's design, rigidity of the beam, squareness and parallelism of the jaws to the scale, and general ...