| Source: Letterbooks of letters received by Lucien Eaton,
1858-1889 Location: Lucien Eaton Papers, Archives | |
 | |
| Business Name: | Armstrong, Bro. & Co. |
| Date of Document: | 2/28/1871 |
| City: | Pittsburgh |
| Page: | 137 |
| Civil War: | No |
| Source: | Volume 17, 1870-1871 |
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