Cadillac American car bonnet mascot detail modern 1990 motif


Cadillac became the first American automobile manufacturer to win the coveted Dewar Trophy for the standardization of automobile parts. The Dewar trophy was instituted in 1904 to encourage technical progress. It was sponsored by a wealthy member of the British Parliament, Sir Thomas Dewar. It was awarded annually to the company making the most important advancement in the automotive field. From the beginning, Leland stressed the concept of parts interchangeability. “No special fitting of and kind is permitted,” he wrote in a factory manual. “Craftsmanship a Creed, Accuracy a Law.” In 1908, Leland became the first industrialist to employ the Johannson Gauges for checking the accuracy of his tooling. They were the creation of a Swedish-American toolmaker named Carl Johannson. These devices were extremely accurate blocks which measured tolerances down to two-millionths of an inch. The Royal Automobile Club of Britain became aware of Lelands boastings so they decided to test them. They selected 3 Cadillacs out of 8, dismantled them, mixed in spare parts for good measure, and then were re-assembled with no special fitting which was unheard of at that time. Most parts were hand fitted. Each of the cars started immediately and were then driven for 500 miles with no problems. Cadillac became the only company to win a second Dewar Trophy for its revolutionary Delco system of electric starting, lighting, and ignition developed by Leland and Charles F. Kettering of the Datyon Engineering Laboratories. The Delco system was a breakthrough and was the forerunner of the automobile electrical system as we know it today. It was also a breakthrough for woman since they could now start a car with a push a button instead of having to wind that heavy crank.


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