Title: |
1892 Ad-W. H. Nicholson & Co., Shaft Coupling |
Source: |
The Age of Steel, V71, 02 Jan., 1892, pg. 52 |
Insert Date: |
2/26/2025 7:17:47 PM |
The patent date on the coupling is incorrect.
US Patent: 443,627
https://www.datamp.org/patents/displayPatent.php?number=443627&typeCode=0 |
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1892 W. H. Nicholson & Co., Shaft Coupling
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