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Manufactured By:
Dwight Slate Machine Co.
Hartford, CT

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Title: 1911 Ad-Dwight Slate Machine Co., #1 Drill Press
Source: Automonbile Trade Directory, V 9, #2, Apr 1911, pg. 511
Insert Date: 6/11/2016 8:34:49 PM

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US Patent: 941,506

http://datamp.org/patents/displayPatent.php?id=54882
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Image 1
1911 Dwight Slate Machine Co., #1 Drill Press
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