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Photograph

Gisholt 52" Vertical Boring Mill

Date: 
Description: Gisholt 52" vertical boring mill. The machine has a turret head on the left hand side and "an attachment for crowning pulleys or fly wheels, capable of fin...
Photograph

Gisholt 22" Turret Lathe

Date: 
Description: Gisholt 22" Turret Lathe. The metal stamp states: "American Turret Lathe Mfg. Co. Patented December 26, 1899. Semi-Automatic. Warren, PA." The Pennsylvania...
Photograph

Gisholt Standard Turret Lathe

Date: 
Description: Gisholt Standard Turret Lathe. The metal stamp states: "Gisholt Machine Co. Madison, Wis., U.S.A." Gisholt was the first company to specialize in heavy typ...
Photograph

Standard Turret Lathe

Date: 
Description: Standard Turret Lathe, "Conradson," by American Turret Lathe Company in Wilmington, Delaware, "Patented December 26, 1899." Gisholt was the first company t...
Photograph

Gisholt Standard Turret Lathe

Date: 
Description: Gisholt Standard Turret Lathe. The metal stamp states: "Gisholt Machine Co. Madison, Wis., U.S.A." Gisholt was the first company to specialize in heavy typ...
Photograph

7-Cylinder Comet Engine Crankcase

Date: 07 22 1929
Description: Crankcase for the 7-cylinder Comet engine that shows how it was built in two sections united by seven through bolts as well as by seven cylinder flanges.
Photograph

7-Cylinder Comet Engines on Display

Date: 06 01 1929
Description: Two 7-cylinder Comet engines assembled with cams are set up on a factory floor. Supported in opposing engine stands vertically and horizontally, they are u...
Photograph

Workers at Airplane Assembly Plant

Date: 01 24 1930
Description: View of two factory men at work desks at a plant that assembled Comet aircraft engines. They are sitting on wooden stools between Korn scales in a narrow b...

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