Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 151
pillary attraction are un-certain in their action and liable to becomeclogged. For bearings of medium size,one or more light steel rings running looseon the shaft and dipping into the oil, asshown in Fig. 57, are the best. For largebearings flexible chains are employedwhich take up less room than… … Fig. 57. LUBRICATION 133 use for nearly thirty years and has worked perfectly duringthat entire period/ Much depends on the care of such devices,the prevalence or absence of dust, and the quality of oil used.Centrifugal oilers are most used on parts which cannot readily
Machine design
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