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Manufactured By:
Builders' Iron Foundry
Providence, RI

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Title: 1902 Ad-Builders' Iron Foundry, Belt Shifter
Source: American Machinist, V15, 25 Dec 1902, pg. 87
Insert Date: 1/28/2018 9:04:38 PM

Image Description:
U. S. Patent #551,365.

http://datamp.org/patents/displayPatent.php?number=551365&typeCode=0
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1902 Builders' Iron Foundry, Belt Shifter
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