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 873
patented in the United States byMr. Babbitt; it consists in placing the soft metal in a species of casing of cast-iron, of the common formof the half pillow, but with ledges round its concave surface, which thus presents a recess of a depthcorresponding to the size of the pdlow—from Jtli inch to an… … The material used by Mr. Babbitt is not pure tin, but a soft alloy, in which lead predominates, anaWhich, besides answering all the purposes of tin, has the advantage of being greatly cheaper. A patent for a composition-metal has lately been obtained by Mr. Fenton; it is harder than MrBabbitts…
Mechanical engineering · Mechanics · Engineering
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