Notes for mechanical drawing; arranged for the use of the students of the Mechanic arts high school and the Evening school of trades (1904)
Mathewson, Frank E. (Frank Elliott), b. 1869 · Springfield, Mass. · leaf 172
MECHANICAL DRAWING 83 … Prob 6 Draw intarnal, and pinion gears, 3dia. pi., 27 and 14 taeth, invoiuta form, usingthe Grant Odontograph. Bevel Gears. In drawing spur gears in the epicycloidal system, thetooth curves are generated by rolHng generating cylin-ders upon pitch cyhnders. In bevel gearing the pitclisurfaces are…
Mechanical drawing
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