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Monroe #1 High Speed Adding Calculator

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Posted 4 years ago

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nespedal
(1 item)

I have an electric Monroe #1 High Speed Adding Calculator that still works when plugged in. The sticker on the bottom says Calculating Machine Company New York, USA, #1, 100-135 volts -0-60 cycle, 100-135 volts D. C.

Thank You For Your Help,

Nick

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Comments

  1. Sara, 3 years ago
    I have a similar Monroe calculator. Interestingly it is not exactly the same, but the label is identical. My dad used it for years following WWII. I put a photo here: http://renegadechickens.com/Monroe_Calculator_small.jpg
    I found some info on a website here: http://home.vicnet.net.au/~wolff/calculators/Monroe/Monroe.htm#Overview
    I would love to learn how to operate it!

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