Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 574
hes whichare engaged and disengaged as soon as the feed-movement is performed, and consume no power whennot acting. The tappet-feed has nearly disappeared in American practice. Planing machines are handled,as it is termed, mainly by means of the shifting gearing; that is, the table is stopped and… … inconvenient it would be to have the feeding-gear combined with the shifting or reversing move-ments. (See Engineering, xxii.: Machine Tools at the Centennial Exposition.) TJie Sellers Planing Machine, invented by Bodmer in 1841, and subsequently greatly improved byMessrs. William Sellers & Co.…
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