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Photograph

Solar Division Craftsmen at Work

Date: 1967
Description: Technicians are working in a clean-room in the Solar Division of International Harvester. Original caption reads: "Much of the precise beryllium machining ...
Photograph

Lawson Air Liner Under Construction

Date: 1919
Description: Exterior plates being attached to a Lawson Air Liner. Two men are crouching underneath the cockpit.
Photograph

Gisholt Machine Company

Date: 
Description: Street view showing the back side of Gisholt machine works buildings located in the 1400 block at the corner of E. Mifflin and N. Dickinson streets. The in...
Photograph

Gisholt Vertical Boring and Turning Mill

Date: 
Description: Standard type of Gisholt Vertical Boring and Turning Mills manufactured as 52, 60, 64, and 72 inches. Gisholt was the first company to specialize in heavy ...
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

Thaden T-2 Aircraft with Comet 7-D Engine

Date: 07 22 1929
Description: Three-quarter view from front left of a Thaden T-2 parked outdoors. Manufactured by the Thaden Metal Aircraft Company of San Francisco, California. The com...
Photograph

Thaden T-2 Aircraft with Comet 7-D Engine

Date: 07 22 1929
Description: Right side profile view of the front of a Comet 7-D air-cooled radial piston engine and wooden propeller on a Thaden T-2 aircraft. A design of the Comet En...
Photograph

Kreider-Reisner C-4 Challenger with Comet Engine

Date: 07 22 1929
Description: Left side profile view of a 7-cylinder Comet air-cooled radial piston engine and propeller on a Kreider-Reisner C-4 Challenger aircraft. A design of the Co...
Photograph

Bach 3-CT-4 with Comet 7-RA Engines

Date: 07 22 1929
Description: Front view of a trimotor Bach 3-CT-4 manufactured by the Bach Aircraft Company of Santa Monica, California. The company was formed in 1927 by L. Morton Bac...
Photograph

Bach 3-CT-4 with Comet 7-RA Engines

Date: 07 22 1929
Description: Three-quarter view from front left towards a trimotor Bach 3-CT-4 manufactured by the Bach Aircraft Company of Santa Monica, California. The company was fo...
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...
Photograph

Factory of Comet Aircraft Engines

Date: 11 07 1929
Description: Interior of a factory floor, with several large machines for manufacturing aircraft engines under the skylights. A Gisholt lathe is prominently pictured se...
Photograph

Factory of Comet Aircraft Engines

Date: 11 07 1929
Description: Interior view of a factory floor. Machinery by Whitcomb Manufacturing Company is in the right foreground, and a Comet 7-cylinder aircraft engine is in the ...
Photograph

Factory of Comet Aircraft Engines

Date: 11 1929
Description: Interior of a factory floor, with several large machines for manufacturing aircraft engines, including Landis, Whitcomb Manufacturing Company and Gisholt. ...
Photograph

Comet Engine Manufacture

Date: 03 20 1930
Description: View inside a 7-D Comet aircraft engine manufacturing and assembly plant. An engine with nose cowling, propeller shaft and cylinders is supported by an eng...
Photograph

7-RA Comet Engine on Alexander Eaglerock A-12 Aircraft

Date: 04 22 1930
Description: Front view of a Alexander Eaglerock A-12 aircraft fitted with the 7-RA Comet air-cooled radial piston engine with seven cylinders. The fixed-wing plane sit...

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