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A mechanical scale or balance is used to describe a weighing device that is used to measure the mass, force exertion, tension, and resistance of an object without the need of a power supply. Types of mechanical scales include decimal balances , spring scales , hanging scales, triple beam balances , and force gauges .
According to Thomas G. Chondros of Patras University, a simple steelyard balance with a lever mechanism first appeared in the ancient Near East over 5,000 years ago. [3] According to Mark Sky of Harvard University , the steelyard was in use among Greek craftsmen of the 5th and 4th centuries BC, even before Archimedes demonstrated the law of the ...
Weigh stations are equipped with truck scales, some of which are weigh in motion and permit the trucks to continue moving while being weighed, while older scales require the trucks to stop. [1] There are many different scales used, from single axle scales to multi-axle sets.
In 1912, the company name changed once again, to Toledo Scale Company. [7] Additionally, a new scale line featuring a double pendulum mechanism and a dial face was introduced and was most suited for industrial applications. [8] In 1957, Reliance Electric Co, merged with Toledo Scale Co. Reliance paid about $70 million in stock for the purchase ...
A noted example of this type of execution in the USA was the hanging of British spy John André in 1780. Later, a "scaffold" with a trapdoor tended to be used, so victims dropped down and died quickly from a broken neck rather than through strangulation , especially if extra weights were fixed to their ankles.
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