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Box 20

 Container

Contains 68 Results:

Photo 2283-Contrast 6 HP and 200 HP Boilers, Undated

 File — Box: 20, 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: Undated

Photo 2285-Firedoor Vertical Boiler Showing Safety Lock Latch, Undated

 File — Box: 20, 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: Undated

Photo 2290-40 HP Fired Boiler, Undated

 File — Box: 20, 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: Undated

No. 2291-Cross Section Seamless Drawn Steam Dome (No Photos), 1927, 1967-1968

 File — Box: 20, 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: 1927, 1967-1968

Photo 2304-Front View of 20 HP Boiler & Stoker, Undated

 File — Box: 20, 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: Undated

Photo 2305-Left Side View, 20 HP Leffel Boiler & Stoker Unit, Undated

 File — Box: 20, 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: Undated

B-286 & 287-6 HP 125 # - Gas Fired with Mettler # 9FR-3, Undated

 File — Box: 20, Folder: 16
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

B-288, B-289, B-290-250 HP Boiler for Gas Oil Firing, 1960

 File — Box: 20, 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: 1960

B-291 & B-292 - #497 40 HP Boiler for Gas-Oil Firing, 1960

 File — Box: 20, 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: 1960

B-293 & B-294-25-HP Boiler 100 # for Gas Firing with Mettler 9F-6 Burner, 1960

 File — Box: 20, 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: 1960