The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 1192
the edge of the tooth on the pitch-line, lay off theline HK at an angle of 75° with the radial line; on this line will be thecenters of the root AB and the point EF. The lines struck from thesecenters are shown in thick lines. Circles drawn through centers thus^ FORMS OF THE TEETH. 1143 found will… … one slightly in advance of
Mechanical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
