Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 510
f this small shaft is fixed another lever, placed so that it is depressedby the tapet S, when tlie travelling table is moved towards the back of the machine ; by this the crank-le\ er n is depressed and tlie weight o raised at the same instant. S is a tapet on the travelling table, and which may be… … VVVV, four bevel-wheels, geered pair and pair, for turning the screws//to raise or lower thevertical slide C C, to suit the work upon tlie table. Two of the wheels are fast upon the upper ends ofthe screws, and two are in hke manner made fast on W a cross-shaft, on which are two of the bevel-wheels…
Mechanical engineering · Mechanics · Engineering
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