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Photograph

Phoenix Proving Ground

Date: 1953
Description: Trucks mounting a steep grade in the testing track at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by Inte...
Photograph

Phoenix Proving Ground

Date: 1953
Description: View of International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International Harvester through the 1970's to test...
Photograph

Rock with Petroglyphs

Date: 1953
Description: Stone displaying ancient writing. The rock was on the grounds of International Harvester's Phoenix Proving Grounds. Opened in 1947, the proving ground was...
Photograph

International Pickup Truck on Test Track

Date: 1953
Description: International pickup kicking up dust on a dirt test track at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used ...
Photograph

International Truck Testing at Phoenix Proving Ground

Date: 1953
Description: Cacti frame three International semis and a pickup on a test track at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground ...
Photograph

Phoenix Proving Ground Truck Testing Headquarters

Date: 1953
Description: Headquarters building for truck testing at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International H...
Photograph

International Truck Testing at Phoenix Proving Ground

Date: 1953
Description: International semi trucks mounting a long hill at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by Internat...
Photograph

Aerial Photo of Phoenix Proving Ground

Date: 1953
Description: Aerial view of International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International Harvester through the 1970's ...
Photograph

International Harvester Earthmover at Phoenix Proving Ground

Date: 1953
Description: International Harvester 27-75 earthmover being demonstrated in front of a grandstand at International Harvester's Phoenix Proving Ground. Opened in 1947, t...
Photograph

Aerial View of Phoenix Proving Ground

Date: 1954
Description: Aerial view of the Phoenix Proving Ground during the 1954 Industrial Power Roundup, a large event promoting International Harvester's construction equipmen...
Photograph

Aerial View of Phoenix Proving Ground

Date: 1966
Description: Aerial view of International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International Harvester through the 1970's ...
Photograph

Phoenix Proving Ground

Date: 1953
Description: Bird's-eye view of International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International Harvester through the 197...
Photograph

Supplementary Scout Chart

Date: 
Description: Chart of Supplementary Scout, with categories for "Vehicle Research & Dev. and Prototype Build, Design, Vehicle Test, Safety Test and Exhause & Evap. Emiss...
Photograph

Truck Development at Fort Wayne

Date: 1972
Description: A man is in a room with testing equipment. In the background is a man sitting in the driver's seat of a truck.
Photograph

Ice-Covered Truck in Cold Lab

Date: 
Description: A man is looking through a window towards another man in a cold lab testing a truck. Caption reads: "A parka-clad engineer braves thirty below zero tempera...
Photograph

Proving Ground

Date: 
Description: Caption reads: "Close by International Harvester Company's mammoth new motor truck engineering building and laboratories is the Fort Wayne proving ground, ...
Photograph

Rendering of Motor Truck Research and Engineering Laboratory

Date: 01 23 1950
Description: Caption reads: "Shown in the above artist's rendering is the new $6,500,000 motor truck research and engineering laboratory which the International Harvest...
Photograph

Testing Truck Chassis

Date: 
Description: Two men are working indoors testing the chassis of a truck.
Photograph

Man Testing Engine

Date: 
Description: A man is using equipment to test an engine.
Photograph

Man in Control Room

Date: 
Description: A man is standing at a control board in a room with other equipment. There is a Toledo Scale on the left behind the control board. A window in the wall beh...

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