Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 733
In 1820, Mr. James Allan was rewarded by the Board of Longitude with one hundred pounds,f.:r his improvement on Ramsdens dividing-engine. This improvement consists in the method em-ployed to cut or rack the teeth around the periphery of the great circle, worked by an endless screw.upon which the…
Mechanical engineering · Mechanics · Engineering
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