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Manufactured By:
American Steam Gauge Co.
Boston, MA

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Details
Title: 1877 Image-American Steam Gauge Co., Bourdon Movement
Source: Duyckinck Supplies Catalog, 1877, pg. 3
Insert Date: 12/25/2019 1:36:26 PM

Image Description:
US Patent: 9,163

http://www.datamp.org/patents/displayPatent.php?number=9163&typeCode=0
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Image 1
1877 American Steam Gauge Co., Bourdon Movement
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