Antique ADDOMETER Portable adding machine Chicago with instruction sheet RARE !!

Description

Probably the only one of these you'll ever find.  Real antique.  Made by Reliable Typewriter & Adding Machine Co., Chicago, IL, 303 W. Monroe St.With complete instruction sheet, stylus and box.  11 1/2 X 2 1/2 inches.
Original ad says:  "No other adding machine can match all its advantages!  Adds , subtracts direct, multiplies, quickly, accurately.  Easy to operate...no practice necessary.  eight-column capacity models also to handle fractions, feet and inches. Every small business needs the Addometer adding machine."  Well.....