1) Chinese invention 2) Measurement
Found on
https://www.crosswordclues.com/clue/vernier-scale
A vernier scale is a device that lets the user measure more precisely than could be done unaided when reading a uniformly-divided straight or circular measurement scale. It is scale that indicates where the measurement lies in between two of the marks on the main scale. Verniers are common on sextants used in navigation, scientific instruments use...
Found on
http://en.wikipedia.org/wiki/Vernier_scale
A short, sliding scale attached to the main scale on some instruments and barometers in the 19th and 20th centuries to make minute readings possible. The scale was invented 1631 by French mathematician Paul Vernier.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
[
n] - a small movable scale that slides along a main scale
Found on
http://www.webdictionary.co.uk/definition.php?query=vernier%20scale
A small, movable auxiliary graduated scale attached parallel to a main graduated scale, calibrated to indicate fractional parts of the subdivisions of the larger scale, and used on certain precision instruments to increase accuracy in measurement; an auxiliary device designed to facilitate fine adjustments or measurements on precision instruments....
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https://www.encyclo.co.uk/local/20820
vernier noun a small movable scale that slides along a main scale; the small scale is calibrated to indicate fractional divisions of the main scale
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.
