Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 299
ft Fig. 24. \r ^T^ 7^^^^ ^ i \ •Vih^ - —hV - L i^ -Ei —r- -J. 1^ j T?l^ «H -^H-J V … Fig. 26. Figs. 24 to 26.—Dimensions of forged wrenches. holding the parts in place and automatically taking upwear. The taper is 2 ins. per ft. measured on thediameter. For frequent service (rock drill throttlevalves) the author has used the blunter angle of 35 ins.per ft. measured on the diameter…
Machine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten05unit-570-0.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-85-76.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-763-409.webp)