In the early 1970s as the mechanical product lines were overtaken Singer" in 1963, then "Singer Business Machines", but disappeared The company became the "Friden Division of Many of theĬalculator instruction manuals from this period were typeset on theįriden "Justowriter". System, a "Computyper" billing system interfaced to an electronicĬalculator, and a tape-operated typesetting system. Machines in several directions, including a primitive word processor Up-market teleprinter consisting of an IBM electric typewriter with a
In the late 1950s Friden acquired the Commercial Controls companyĪnd its "Flexowriter" product range. The Model SRW square-root calculator of 1952, and the EC-130 Most notably with the Model STW fully-automatic calculator of 1949, Carl Friden died inġ945 (aged only 54), but his company went on to continued successes, Machine tools, ordnance, and aircraft instruments. New purpose-built factory in San Leandro in 1937, and aĬalculator production continued during the war years, but theĬompany also played a major role in the manufacture of precision (California) in December 1933, and produced the first calculator to Implementation of the 19th-century Thomas Arithmometer. Like the contemporary Swiss MADAS machine, was essentially a modern Stepped-drum mechanism, with subtraction accomplished via differential To Marchant in around 1930, and established his own Friden Calculatingįriden based his new machine on the long-established uni-directional Substantial royalties from his inventions. The USA (via Australia) towards the end of the 1914-18 war. John Wolff's Web Museum - Friden John Wolff's Web Museum The Friden Calculating Machine CompanyĬarl Friden (1891-1945) was a young Swedish engineer who arrived in
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