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 389
oil to gum, we allow the machineto stand with the journal wet with oil, but with none feeding throughthe bearincr, for 12 or 24 hours or more, as may be found necessary.Then start up and run a few moments until the reading on the arc P P, having fallen to a minimum,begins to rise again ; then stop… … LUBRICATORS. 373 To determine durability, we proceed as in de-termining the friction, except that the lubricantshould not be continuously supplied, but should befed to the bearing, a small and definite portion at atime—say a drop for each 2 inches length of jour-nal. Extreme care should be taken…
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