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Showing results for ( Author/contributor contains James Leffel ):
Publications (Library)
| Title | Contributors | Publisher | Year | Medium |
| Construction of mill dams | Leffel, James | Noyes Press | 1881 | Facsimile reprint |
| Illustrated hand book of James Leffel's improved double turbine water wheel for 1883 and 1884 | Leffel, James | Society for the Preservation of Old Mills | 1988 | Book |