Brake

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“Lord Kelvin patented a brake in 1858 consisting of a rope or cord wrapped round the circumference of a rotating wheel, to one end of which is applied a regulated force, the other end being fixed to a spring balance.” -Britannica, 1910

Keywords

dye-jigger

Source

Encyclopaedia Britannica (11th ed., vol. 8) (New York, NY: The Encyclopaedia Britannica Company, 1910)

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