Title: |
1890 Ad-Humphrey Mach Co., Circumshot Water Wheel |
Source: |
Milling World, V23, 29 Dec., 1890, pg. 341 |
Insert Date: |
7/28/2021 8:02:44 PM |
Image courtesy of Brian D. Szafranski.
Patent #260,202
https://datamp.org/patents/displayPatent.php?number=260202&typeCode=0 |
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1890 Humphrey Mach Co., Circumshot Water Wheel
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