Jesse RamsdenArticle Free Pass Jesse Ramsden, (born Oct. 6,
1735, Halifax, Yorkshire, Eng.—died Nov. 5, 1800, Brighton,
Sussex), British pioneer in the design of precision tools.
Ramsden was apprenticed as a boy to a cloth worker, but in 1758
he apprenticed himself to a mathematical instrument maker. He
went into business for himself in London in 1762. He designed
dividing engines of great accuracy for both circles and straight
lines and produced highly accurate sextants, theodolites, and
vertical circles for astronomical observatories. He also built
barometers, manometers, assay balances, and other instruments.
He was elected to the Royal Society in 1786 and awarded the
Copley Medal in 1795. What made you want to look up "Jesse
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