Re: 1937--uncontrolled figures can clog up any business! (Monroe)

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#621759

From: hanc...
Date: Sat, 07 Apr 2018 20:00

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Here is a color ad for a Monroe calculator from 1937:
https://books.google.com/books?id=xEQEAAAAMBAJ&lpg=PA23&dq=life%20june%207%201937&pg=PA56#v=onepage&q&f=false


Here is a color ad of a more sophisticated model:
https://books.google.com/books?id=xkQEAAAAMBAJ&lpg=PA7&dq=life%20monroe%20calculators&pg=PA7#v=onepage&q&f=false


This machine supports multiplication and division:
https://books.google.com/books?id=RFEEAAAAMBAJ&lpg=PA49&dq=life%20monroe%20calculator%20multiply&pg=PA49#v=onepage&q&f=false

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Subject: Re: 1937--uncontrolled figures can clog up any business! (Monroe)
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