- 3
- 2
- Electrical Energy from City Water Supply.
- THE PELTON WATER WHEEL COMPANY.
- A vintage Hydro Power Industry project.
- ELECTRICAL WORLD HISTORY.
- A vintage Hydro Power Industry advertisement project.
- A vintage machine shop manufacturing history project.
- THE S. MORGAN SMITH COMPANY HISTORY PROJECT.
- A Holyoke Machine Company's Water Wheel Governor advertisement from 1914.
- Lombard governed from end to end.
- 000
- THE TRUMP HYDRAULIC TURBINE HISTORY PROJECT.
- A Woodward Governor Company vertical compensating type size C water wheel governor.
- 7