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Saturday, February 12, 2011

1942 adding machines: a marvel of non-essential zero elimination!

1942 adding machines: a marvel of non-essential zero elimination!: "


This 1942 ad for a Comptometer mechanical adding machine celebrates the joy of spending hours every day doing what spreadsheets today accomplish in an eyeblink. I love the feature-list: no glare dials, the elimination of non-essential zeroes, and a marvellous 'Keystroke Censor.'


Collier's January 17, 1942



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