Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 782
Mr. Nasmyths I own in elevation in fig. 3638, and in plan in moves the uncertainty of the angles given to these irregular bent tools; for instance, when the shaft of the toolIs laid upon the flat surface and applied to the iron cone c, whose aide measun a about 3° with the per-pendicular, it sen… … In applyii lathe work- of .-mall diameters.it is nei place them abovi the centre, or they immediately rub; and as this Boon occurs v* ith tools having bo small anangle, it appears desirable to make the 1 all lathe works of about twice the given angle, and t<> mark upon the cone a circle…
Mechanical engineering
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