Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 707
e work. It would be desirable practice to hammer a bar of cold iron, or still better, one of steel, as therewould be more leisure for observations ; the indentations of the hammer could be easily noticed; and ifthe work, especially steel, were held too tightly, or without resting fairly on the… … As to the best form of the hammer, there is much of habit and something of fancy. The ordinaryhand-hammer is represented in Figs. 1767 and 1768; but cutlers, and most tool makers, prefer thehammer without a pane, or narrow edge, and with the handle quite at the top, the two forming almosta right…
Mechanical engineering
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