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STW in the barracks in Wiesbaden, Germany, post WWII. Wanted fully-automatic calculators that could be used where electric Special versions of the ST and STW were produced for the US Army, who Of the register, and "Neg Mult" subtracts the result from the Multiplication, "Acc Mult" adds the result to the previous contents On the main keyboard, and the second on the 10-key auxilliary To perform a multiplication, the operator enters the first factor This is a substantialįully-automatic calculator with a separate 10-key multiplier keyboard. The Friden Model STW from 1949 is a re-styled version of theĮarlier "Super-matic Tabulator" Model ST. Technology: Stepped drum, fully automatic.ĭimensions: 13-1/2"W x 14-1/2"D x 8-1/2"H, carriage width 18" The machine illustrated was built in 1954, and is still The CW10 was introduced in 1949 and continued on until the end of The left of the keyboard which reverse or disable the counter register. Model CW10 is a semi-automatic machine which isįunctionally equivalent to the C10, except for two additional controls on The Friden "art-deco" machines were updated with new "streamlined" Manufactured: San Leandro, California, 1949. Which lacks the division setup key and the automatic carriageĭigits: 10 keyboard, 11 counter, 20 accumulatorĭimensions: 12"W x 14-1/2"D x 9"H, carriage width 18" The "General Utility Model" D10 is a simplified version of the C10 Manufactured: San Leandro, California, 1940 to 1949 With Art Deco motifs on the four corners and on the With the Add bar and the carriage shift keys. Powered shift and clearing controls and a carriage Clear/Return key.ĭivision is fully automatic, with a one-touch setup key and a The Model C10 was one of Friden's first machines, introduced inġ935 and continuing until replaced by the CW10 in 1950. Manufactured: San Leandro, California, 1935 to 1949 Technology: Stepped drum, semi-automatic.ĭigits: 10 keyboard, 11 counter, 21 accumulatorĭimensions: 11"W x 13-1/2"D x 8"H, carriage width 18" 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
#1946 friden calculator images manuals
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
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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.
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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. If you find an error, please let us know.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
#1946 friden calculator images update
While we diligently research and update our holiday dates, some of the information in the table above may be preliminary. Business Date to Date (exclude holidays).