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Manufactured By:
Pratt & Whitney Co.
Hartford, CT

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Title: 1903 Article-Pratt & Whitney Co., Automatic Cone Grinding Attachment
Source: Emery Grinding Machinery, 1903, pgs. 80
Insert Date: 11/20/2015 9:14:24 PM

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Fig. 66 gives another combination. It consists of the bed,countershaft and inside-form grinding attachment, as in the machine first described (fig. 63), but in addition there is a special head, with an overhanging arm for grinding cones automatically after they are placed upon the axle, the axle being supported on dead centres, and driven by a pulley revolving on the front end of the fixed head spindle.
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1903 Pratt & Whitney Co., Automatic Cone Grinding Attachment
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