Home 55727
- 40
- 41
- 42
- 43
- A vintage hydroelectric power history project.
- A James Leffel Water Wheel Company letter from 1870.
- An A. W. Woodward Company letter from 1887.
- LEFFEL'S IMPROVED DOUBLE TURBINE WATER WHEEL.
- Pacific Saw Manufacturing Company advertisement.
- ILLUSTRATED DESCRIPTIVE PAMPHLET OF LEFFEL'S DOUBLE TURBINE WATER WHEEL.
- PREFACE
- 3
- 4
- 5
- 6