Title: |
1870 Ads-Campbell, Whittier & Co., Steam Engines |
Source: |
Boston Directory, V56, 1870, pgs. 721-722 |
Insert Date: |
5/11/2023 10:45:44 PM |
US Patent: 35,176
https://datamp.org/patents/displayPatent.php?number=35176&typeCode=0 |
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1870 Campbell, Whittier & Co., Steam Engine
1870 Campbell, Whittier & Co., Rider's Patent Steam Engines
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