Box 28
Container
Contains 34 Results:
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
Leffel Improved Samson turbines, Undated
File — Box: 28, Folder: 22
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:
Undated
Hydro-Electric Power from a Hoppes Hydro-Electric Unit, Undated
File — Box: 28, Folder: 23
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:
Undated
Vertical Standard Trump Turbine, Undated
File — Box: 28, Folder: 24
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:
Undated
Leffel Boilers, Undated
File — Box: 28, Folder: 25
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:
Undated
Bulletin 100, Waper-Power Equipment, 1941
File — Box: 28, Folder: 26
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:
1941
Leffel Scotch Marine Boilers, 1938
File — Box: 28, Folder: 27
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:
1938
Spanish and Portuguese Material, Undated
File — Box: 28, Folder: 28
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:
Undated
Leffel Pamphlet “A”, Undated
File — Box: 28, Folder: 29
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:
Undated
Hydraulic Turbines, Undated
File — Box: 28, Folder: 30
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:
Undated
