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Proving Ground
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Caption reads: "Close by International Harvester Company's mammoth new motor truck engineering building and laboratories is the Fort Wayne proving ground, where pilot model trucks are put through accelerated tests simulating the conditions of actual operation. Here a six-wheeled International L-180 paces through the long, racking 'twist course' which subjects its frame, springs, wheels and other components to severe test. Measured results of proving ground tests are studied closely by International truck engineers engaged in consistent, year-round effort to improve further the efficiency and economy of truck operation."
International Harvester Company
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W012V7L
WHi 146328
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Ice-Covered Truck in Cold Lab
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 temperature to check an ice-covered truck in the ...
Rendering of Motor Truck Research and Engineering Laboratory
January 23, 1950
Caption reads: "Shown in the above artist's rendering is the new $6,500,000 motor truck research and engineering laboratory which the International Harvester Company will construct on Meyer Road di...
International Truck Testing at Phoenix Proving Ground
1953
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 was used by International Harvester throug...
Phoenix Proving Ground Truck Testing Headquarters
1953
Headquarters building for truck testing at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International Harvester through the 1970's to test trucks...
International Truck Testing at Phoenix Proving Ground
1953
International semi trucks mounting a long hill at International Harvester's Phoenix Proving Ground. Opened in 1947, the proving ground was used by International Harvester through the 1970's to test...
