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11 Sep 2012

IBM Proof Machines, 1950’s


There is no information with this photo but the little sign in the upper right corner led me to what looks like the IBM 803 Proof Machine.  According to information from a site with information on vintage IBM equipment this was used to “sort, list, prove and endorse checks, sales tickets, vouchers and other business […]


About Photographer Loyd Sandgren

I first met Loyd Sandgren in 1997 as I was putting photo gear back into my car after... Learn More