J Leffel Co

2 books

Jan 14, 2013
Cover of New Pamphlet of the James Leffel Water Wheels, Standards, Specials and Samsons, Built by James Leffel & Co.

New Pamphlet of the James Leffel Water Wheels, Standards, Specials and Samsons, Built by James Leffel & Co.

Jan 1, 2012
Cover of The Construction of Mill Dams; Comprising Also the Building of Race and Reservoir Embankments and Head Gates, the Measurement of Streams, Gauging of Water Supply, &C

The Construction of Mill Dams; Comprising Also the Building of Race and Reservoir Embankments and Head Gates, the Measurement of Streams, Gauging of Water Supply, &C