Mechanical and Civil Engineering, Division of [former name], NMAH, SI
0.7 cu. ft.; 44 boxes
The company was established in 1862. It is one of the leading manufacturers of waterwheels and turbines. The company has its shop and operation in Springfield, Ohio.
The records contain business and legal records; correspondence; patents and patent files; specifications; charts;blueprints; mechanical drawings and original catalog art; photographs and negatives; catalogs, 1868-1870, 1877-1878, 1883, 1900, 1902, 1924; and clippings.
James Leffel and Company Records, 1867-1957, Archives Center, National Museum of American History