Verniers

Описание к видео Verniers

The Vernier Scale is explained and demonstrated.
This is part 4 of a series, known as MEASUREMENT in the METALWORKING INDUSTRY.
Produced by Loucks & Norling Studios, for the Federal Security Agency and the US Office of Education - 1941
This digital video was produced from a surviving 16mm movie print by the Museum of Our Industrial Heritage. http://industrialhistory.org

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