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Image from page 98 of "Illustrated catalogue and general description of improved machine tools for working metal" (1899) | by Internet Archive Book Images
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Image from page 98 of "Illustrated catalogue and general description of improved machine tools for working metal" (1899)

Identifier: illustratedcatal00sell

Title: Illustrated catalogue and general description of improved machine tools for working metal

Year: 1899 (1890s)

Authors: Sellers, William, & co. [from old catalog]

Subjects: Machine-tools Machinery

Publisher: Philadephia, Levytype company

Contributing Library: The Library of Congress

Digitizing Sponsor: The Library of Congress

  

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Text Appearing Before Image:

face-plate.Ratio of back-gear, 25 to i ; ratio of triple-gear, 125 to i. Largest lift of cone-pulley, 46 diameter for 5 belt. Carriage arranged to run past poppet-head a7idsteady-rest. Slotted extension to carriage for use when boring large work. Allmovements of slide-rest and carriage have rapid power adjustments to position ;poppet-head movable to place rapidly by power. Compound swivelling rest ofmassive proportions, 2cith angular feed operated by poicer. Swing-frame andchange gear for changing ratio of feeds carried on saddle. Tapers turned bycombination of gearing on carriage. Turning feeds variable from 2V to 2 perturn of spindle. In screw-cutting lathe, lathe is not reversed; but rest is moved toplace by power rapidly, and clutch for screw cutting is so arranged as to insurestarting in the right place on the screw. Face-plate and all gears cut from solid.Complete with wrenches, countershaft and steady-rest. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. 93 Plate No. 75.

 

Text Appearing After Image:

122 LATHE.—Screw-Cutting and Turning. Same type as 72 lathe, Opiate 74). Longitudinal, cross, and angular-facedby power with rapid power adjustment operated by convenient levers ; poppet-head movable j^apidly to place by poicer; carriage arranged to run past poppet-head and follow-rest; long tapers turned by combination of cross and longitudi-nal feed; massive steady-rest with heavy jaws having removable brass shoes;heavy swivelling rest with 48 travel of tool slide on top surface; massive chuckjaws on face-plate, which is 8 ft. 5 diameter and has internal cut teeth, 3 pitchand 12 face; swing over bed, 122 and over carriage, 114; heavy steel spindles,lead screw, ^% diameter. Complete with countershaft, steady-rest, wrenches,and full set of change gears for screw cutting and turning. Wm. Sellers & Co., Incorporated, Philadelphia, Pa. Plate No. 76.

  

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Taken circa 1899