Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 46
Fig. 3. Fig. 4. or to twisting is usually much greater. The double I or the Usection is common where it is necessary to have two parallelways for sliding pieces as in lathes and planers. As is shown inFig. 5 the two Is are usually connected at intervals by crossgirts. Besides making the…
Machine design
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