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Otto Gas Engine Works
Philadelphia, PA

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Title: 1876 Article-Otto Gas Engine Works, Langen & Otto Gas Motor (Part 2)
Source: Scientific American, Supplement, V 2 #49, 02 Dec 1876, pgs. 420-421
Insert Date: 12/19/2014 7:42:20 PM

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Please see Part 1.
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Image 1
1876 Otto Gas Engine Works, Langen & Otto Gas Motor (Pressure Diagram)
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