1-6 of 6 Books
Turbine water wheels
Turbine water wheels
By James Leffel & Co
Leffel, Samson and Niagara turbine water wheels
Leffel, Samson and Niagara turbine water wheels
By James Leffel & Co
Illustrated supplement to the 160 page book of Leffel's improved double turbine water wheel
Illustrated supplement to the 160 page book of Leffel's improved double turbine water wheel
By James Leffel & Co
Samson and Niagara turbine water wheels
Samson and Niagara turbine water wheels
By James Leffel & Co
Illustrated book and description of James Leffel's improved double turbine water wheel for 1879 and 1880
Illustrated book and description of James Leffel's improved double turbine water wheel for 1879 and 1880
By James Leffel & Co
Descriptive illustrated catalogue of the Bookwalter engines, with prices and testimonials
Descriptive illustrated catalogue of the Bookwalter engines, with prices and testimonials
By James Leffel & Co