Emerson, William (1701-1782) The Principles of Mechanics
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Emerson, William (1701-1782) The Principles of Mechanics. London: for Innys and Richardson, 1754.
First edition, octavo, illustrated with thirty-two folding engravings of machines, mechanical devices and other inventions, all plates with breaks along the folds, many detached, but all present, a good candidate for restoration, in full library buckram.
Emerson, who published this work anonymously, was primarily a mathematician and a schoolteacher, and the first section is filled with the formulas he used in formulating his devices. A practical mechanical physicist, he always worked with models, and never advanced an untested design.