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Manufactured By:
Leavitt Machine Co.
Orange, MA

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Title: 1891 Ad-Leavitt Machine Co., Morse Valve Reseating Machine
Source: Power Magazine, V11, Sept 1891, pg. 35
Insert Date: 1/31/2017 7:42:22 PM

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US Patent: 429,939:

http://datamp.org/patents/displayPatent.php?number=429939&typeCode=0
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1891 Leavitt Machine Co., Morse Valve Reseating Machine
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