Box 28
Container
Contains 34 Results:
War Production Board Correspondence (1 of 2), 1942-1943
File — Box: 28, Folder: 10
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
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
