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Those who remember the typewriter will recognise the Adler name – it was the same German company who built the Adler motor car at Frankfurt. Adler graduated from bicycle production to motor cars at the turn of the 20th Century and made its debut at the 1900 Frankfurt Motor Show with a lightweight voiturette powered by a 3 1/2hp De Dion Bouton engine. From 1902 onwards Adler manufactured their own engines and were to pioneer the construction of engines and gearboxes built in unit. The four-cylinder, 12hp Adler introduced in about 1907 was a conventional car with shaft drive and three speed gearboxes with excellent gearing ensuring that the model tackled hills like a mountain goat. The shape of the Landaulet, with its collapsible leather canopy above the passenger seats and windows that could be raised and lowered, was derived from the landau coach. The chauffeur’s seat was exposed in the open air. Separated from the passengers by a sheet of glass, he received their instructions through a speaking tube. Cars of this kind were purchased by the wealthy or by taxi operators. Many Adler cars were operated as motorized taxis even before the First World War. A remarkable technological feature of this Adler car was the chassis, into which the motor and transmission were built as a single unit, a design that anticipated the modern drive train.