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Box 28

 Container

Contains 34 Results:

War Production Board Correspondence (2 of 2), 1942-1943

 File — Box: 28, Folder: 11
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: 1942-1943

Mr. Groff’s Turbine Literature-Spanish & Portuguese, 1962-04-01T00:00:00+00:00

 File — Box: 28, Folder: 12
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: 1962-04-01T00:00:00+00:00

Mr. Groff’s Boiler Literature-English, 1949-1966

 File — Box: 28, Folder: 13
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: 1949-1966

Data Book-J. R. Groff, 1924-1929

 File — Box: 28, Folder: 14
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: 1924-1929

Teviot Electric Power Board Contract, Supply and Delivery, Otago, New Zealand, c.a.1922

 File — Box: 28, Folder: 15
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: c.a.1922

Report on the Development of Power of Paint Creek, Near Greenfield, Ohio, Oct. 1908

 File — Box: 28, Folder: 17
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: Oct. 1908

Leffel’s Illustrated Milling and Mechanical News, 1977-1978

 File — Box: 28, Folder: 18
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: 1977-1978

The Merchant and Custom Mill-A Millers Monthly Paper, April 1, 1878

 File — Box: 28, Folder: 19
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: April 1, 1878

James Leffel’s Double Turbine Water Wheel, 1877

 File — Box: 28, Folder: 20
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: 1877

Proposal to General Mills Incorporated-Installation at Washburn-Crosby Company, Inc., Minneapolis, MN, 1935

 File — Box: 28, Folder: 21
Scope and Content From the Collection: The James Leffel and Company Records document the activities of a company established in 1862 by James Leffel, inventor of the double turbine water wheel. The double turbine water wheel had a solid reputation and was marketed throughout the United States and overseas. By the 1930s and 1940s, the company had expanded into producing hydraulic turbines, along with scotch boilers and stokers. The records are divided into nine series based on the type of documents the series contains. However,...
Dates: 1935