- The Carborbundum Company, Niagara Falls, NY. U.S.A.
- The Ingersoll Milling Machine Company Rockford, Illinois, circa 1922.
- W. F. & John Barnes Company Rockford, Illinois.
- The Emerson Brandtingham Company, Rockford, Illinois U.S.A.
- The Woodward Prime Mover Control Museum.
- WATER or HYDRAULIC MOTORS.
- HISTORY SAVED FROM 1894.
- GOVERNORS
- 124
- 125
- 126
- 127
- ADVERTISEMENTS.
- A2
- A3