Benjamin, Charles H[enry], 1856- [from old catalog] · Cleveland, C. H. Holmes · leaf 64
c fibrous material likehemp and woven rubber cloth or of some soft metallike babbit. The pressure between the packing andthe rod, necessary to prevent leakage of steam or wa-ter, is the cause of considerable friction and lost work.Experiments made from time to time in the labora-tories of the Case… … Fig. 21 58 MACHINE DESIGN. which are self-adjusting and self-lubricating, as inNos.2, 3, 7, 8, and 11, consume less power than the hardervarieties. No. 17, the old braided flax style, gave verygood results, 2. That oiling the rod will reduce the friction withany packing. 3. That there is almost no…
Machine design
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