Fredriksen began by building bicycles in the 1890s; for these, he used British parts - hence the hyphenated name.
Later cars were produced with their own design single-cylinder 4-5 hp engines; these featured friction drive using double discs to give an equivalent 12-speed transmission.
A few passenger cars were also built with twin-cylinder engines before the company merged with automobile makers Jan and Thrige, which made Triangel commercial vehicles until 1945.
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