Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 280
which is usuallythe case, the orders given for shafting will be so many lengths and of such MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. 263 diameters, and so many couplings and hangers. When there is to be a neck-ing, the sketch for the order may be very simple, showing length and diameterof… … Fig. 562. the same point; to remedy this, as the position of the pulley depends on themachine which it is required to drive, it frequently can not be moved withoutconsiderable inconvenience or loss of room; the shaft will have, therefore, tobe lengthened or shortened, to change position of…
Mechanical drawing
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