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 785
possessing an indicator of this kind in addition to the mostperfect time-keeper, must be evident; Ior, however excellent a clock or watch may be, experienceshows how difficult it is to obtain exact time, for lengthened periods, by any mere mechanical contriv-ance. To remedy the defect of mechanism,… … TRIP-HAMMER. Fig. 3662 is a side elevation of a small trip-hammer, such as is commonly usedfor forging spindles and bolts, and for swaging various other kinds of small work I TUBE-MAKING MACHINERY. ?,) Fig. 86fi.3 is nti enrl clcvntion of the snmo, A is the driving-pullej, with a flancli on cncli…
Mechanical engineering · Mechanics · Engineering
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