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Scientific American, Vol. 57, No. 1 (1887) (1887)
leaf 4
subject of a patent re- an essential to the making of good butter, no less than To copy an engraving, the arms are balanced as cently issued to Mr. D. L. Allyn, of Bloomington, II. for expediting the process, and the inventor has sought It is composed of two longitudinal sections, the inner shown… … site sides, reversing the picture. Thus a face looking cleaning purposes, © 1887 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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