The young mechanic; containing directions for the use of all kinds of tools, and for the construction of steam engines and mechanical models, including the art of turning in wood and metal (1902)
[Lukin, James] [from old catalog] · New York, London, G. P. Putnam's sons · leaf 161
/So eo 7 F So I F^ 90 % … Fig. 45. each 45**, i.e,^ 90* between them, so the three angles againequal ISO. THE ANGLES OF TOOLS. 147 The third tool (which we may suppose a turners chiselheld edgewise) is shown to have an angle of 30°, and I haveadded one more which has an angle of 45°. Now all tools,if we/^ ground, are ground…
Mechanical engineering · Industrial arts
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