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Spring scale by sgbvdf asga
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Spring scale |
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Uses
Spring scales can be used in physics and education as basic accelerometers, but its main uses are industrial, especially related to weighing heavy loads such as trucks, storage silos, and material carried on a conveyor belt. Spring scales are used when the high accuracy afforded by other types of scales can be sacrificed for simplicity, cheapness, and robustness.
History
The first spring balance in Britain was made around 1770 by Richard Salter of West Bromwich. He and his nephews John & George founded the firm of George Salter & Co., still notable makers of scales and balances, who in 1838 patented the spring balance. They also applied the same spring balance principle to steam locomotive safety valves, replacing the earlier deadweight valves.
See also
Weighing scale
References
^ a b Hewison, Christian H. (1983). Locomotive Boiler Explosions. David and Charles. pp. 18. ISBN 0-7153-8305-1.
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