| Article | Save | ||
| 1 | Title: | James Leffel: double turbine water wheel inventor | |
| Parent: | Ohio hist. Ohio history. Columbus, Ohio, The Society, 1966. Vol. 75, no. 4, Autumn 1966. p. 200-211 | ||
| Creator: | Becker, Carl M. | ||
| Publication: | |||
| Call #: | F34B O37P9 O37P9 v.75, no.4 | ||
| Extent: | |||
| Subjects: | Leffel, James, -- d. 1866 | Hydraulic turbines | ||
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