Per today's LTT… My (father's) circa 1955 Friden STW-10. Only partially works as the carriage shift is jammed so it can't correctly multiply or divide. : r/pcmasterrace
Friden, Inc. - Wikipedia
Friden Model STW-10 Electro-Mechanical Calculator
Friden | A Collection of Mechanical Calculators
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Friden Model STW 10 Calculating Machine | National Museum of American History