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Manufactured By:
American Steam Gauge Co.
Boston, MA

Image Detail
Details
Title: American Steam Gauge Co.-Thompson Steam Indicator
Source: The Calculation of Horsepower Made Easy, 1905, Frontspiece
Insert Date: 8/27/2016 9:36:14 PM

Image Description:
Image courtesy of Keith Rucker
Image
Image 1
American Steam Gauge Co.-Thompson Steam Indicator
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