ADDOMETER ADDING MACHINE (Dec, 1947)
Wow, this looks much easier than using a pencil and paper!
Every Small Business Needs this ADDOMETER ADDING MACHINE
No other adding machine can match all its advantages! Adds, subtracts direct, multiplies—quickly, accurately. So easy to operate—no practice necessary. The perfect portable— 11-1/2 x 2-1/2 in. size, weighs only 14 oz. Eight-column ($999,999.99) capacity models also to handle fractions, feet and inches. Over 100,000 in use—praised everywhere. Only $12.95 postage prepaid—10 day money-back guarantee if not fully satisfied. Complete descriptive folder on request—or, send check or money order NOW.
Reliable Typewriter & Adding Machine Co. Dept F-12, 303 W. Monroe St. Chicago 6, III.



hi i have an addometer 1947, is there any value to this item. joe
Comment by joseph sepeczi — October 23, 2009 @ 3:53 pm
There are collectors for everything, Joseph, but Google would be a better place than ModernMechanix to find them.
Comment by Toronto — October 23, 2009 @ 4:30 pm
Joseph: This would be even better http://www.analogcomputer.com/archive/hhmechcalc/
As I write this there’s one going for less than six bucks on eBay another for $20.
Comment by Firebrand38 — October 23, 2009 @ 8:10 pm
Excellent link, Firebrand. I’m saving that one.
The dial Addometers are right up there with the Curtas for style (if not technology – didn’t Pascal invent this?)
Comment by Toronto — October 24, 2009 @ 12:23 am