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Pierre Vernier

French mathematician · France · Academics · Lived 1584 to 1638 · aged 54

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Pierre Vernier was a mathematician and instrument inventor. He was the inventor and eponym of the vernier scale used in measuring devices.

Photos 1

Vernier caliper scales; main at top, vernier at bottom. It reads 3.58 mm ± 0.02 mm by adding 3.00 mm (left red mark) on the fixed main scale to vernier 0.58 mm (right red mark). The main scale reading is the rightmost graduation that is to the left of the zero on the vernier scale. The vernier reading is found by locating the best aligned lines between the two scales. The 0.02 mm engraving indicates the caliper's accuracy and is the "Vernier constant" for this scale.

Vernier caliper scales; main at top, vernier at bottom. It reads 3.58 mm ± 0.02 mm by adding 3.00 mm (left red mark) on the fixed main scale to vernier 0.58 mm (right red mark). The main scale reading is the rightmost graduation that is to the left of the zero on the vernier scale. The vernier reading is found by locating the best aligned lines between the two scales. The 0.02 mm engraving indicates the caliper's accuracy and is the "Vernier constant" for this scale.

About this person

Country

France

Category

Academics

Type

Academic

Status

deceased

Dates

Lived 1584 to 1638 · aged 54

Academics from France 6

Jacques Herbrand49.1 Philippe Labarde49.1

Étienne-Gabriel Morelly49.1

Odon Vallet49.1

Jean-François Colosimo49.1 Rémi Lefebvre49.1

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