Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 153
or chains for lifting the oil. 5. By centrifugal force through a hole in the journal itself.Grease cups have little to recommend them except as auxiliary safety devices. Oil cups are various in their shapes and methodsof operation and constitute the cheap class of lubricating devices.They may be… … intervals through a glass tube in plain sight, is in common use.The best sight-feed oiler is that which can be readily adjustedas to time intervals, which can be turned on or off without dis-turbing the adjustment and which shows clearly by its appear-ance whether it is turned on. On engines…
Machine design
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