Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 789
possessing an indicator of this kind in addition to the mostperfect time-keeper, must be evident: for, 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 used/or forging spindles and bolts, and for swaging various other kinds of small work TUBE-MAKING MACHINERY. Fig. 8663 is an end elevation of the same \ is the driving-pulley, with a flanch on each side toguide…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
