Home / HISTORICAL WATER POWER ENGINEERING. 318
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- THE TRUMP HYDRAULIC TURBINE HISTORY PROJECT.
- THE TRUMP HYDRAULIC TURBINE HISTORY PROJECT.
- TRUMP TURBINES
- THE S. MORGAN SMITH COMPANY HISTORY PROJECT.
- THE S. MORGAN SMITH COMPANY HISTORY PROJECT.
- Brad's Water Power History on the world wide web.
- Brad's Water Power History on the world wide web.
- JAMES LEFFEL & COMPANY CATALOGUE.
- JAMES LEFFEL & COMPANY CATALOGUE, CIRCA 1897.
- Circa 1895
- The James Leffel Water Wheel Company history.
- A. W. WOODWARD and the JAMES LEFFEL & COMPANY HISTORY.
- The James Leffel Water Wheel Company history.
- The James Leffel & Company's factory history.
- The James Leffel & Company's book on dam history.