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Monroe Adding Machine

The Monroe Calculating Machine Co. was founded April 25, 1912 by Jay R. Monroe to manufacture calculating machines based on a designed by Frank Stephen Baldwin.

This Model-G mechanical adding machine, Serial Number 35782, was made between 1919-1921.


Let us know if you have an operating manual for it.
 
If you are interested in learning about mechanical adding machines try the Rechenmaschinen WWW site.


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