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Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .. (1905)

Hand, L. H. (Louis Henry), b. 1854 · Chicago, F. J. Drake & co. · leaf 92

An illustration from Pattern making and foundry practice; a plain statement of the methods of wood pattern making, as practiced in modern pattern shops, with complete instructions for sweep work and notes on foundry practice, together with numerous drawings taken from actual patterns .., 1905, leaf 92
be larger thanthe other (in which case it, the pitch line, willbe any angle which the nature of the casemay require). The making of a miter orbeveled gear pattern, while not necessarily avery difficult piece of work, requires persistentcare and skill. The. pitch of a beveled gear is AND FOUNDRY… … TVg -f V of the pitch from the axis of the wheels. Tochange the angle of the axis from a right anglewould also determine the angle of the pitch line.To more fully illustrate the manner of laying outFig. 47, see Fig. 47^. Here a h and a c repre- 88 PATTERN MAKING sent the axis on which the gear…

Patternmaking · Founding

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