LSD was a British manufacturer of three-wheeled cars, active in Yorkshire in the early 1920s. The company began as Sykes & Sugden Ltd of Huddersfield between 1920 and 1923, before continuing as the L.S.D. Motor…
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Brands and models — Full galleries and interactive map
Exotic car catalog — Full brand details and model specs
Documentation archive — Full scans, plus PDF and ZIP downloads