Adolphe Kégresse (1879, Héricourt, Haute-Saône – 1943) was a French military engineer who invented the half-track and dual clutch transmission. Born at Héricourt, and educated in Montbéliard, he moved in 1905 to Saint Petersburg, Russia to work for the Russian Tsar Nicholas II. To improve the mobility of the imperial car park, he invented the Kégresse track to modify normal motor vehicles into half-tracks.
Adolphe Kégresse (1879, Héricourt, Haute-Saône – 1943) was a French military engineer who invented the half-track and dual clutch transmission. Born at Héricourt, and educated in Montbéliard, he moved in 1905 to Saint Petersburg, Russia to work for the Russian Tsar Nicholas II. To improve the mobility of the imperial car park, he invented the Kégresse track to modify normal motor vehicles into half-tracks.
Source: Wikipedia "Adolphe Kégresse" · CC BY-SA 4.0
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