Vintage red plastic Quicker-Adder, a pocket size mechanical adding machine. Popular in the 50s 60s and 70s, shoppers used it as a manual grocery budget tracker before digital pocket calculators existed. Made by Design Rego in Hong Kong.
Vintage red plastic Quicker-Adder, a pocket size mechanical adding machine. Popular in the 50s 60s and 70s, shoppers used it as a manual grocery budget tracker before digital pocket calculators existed. Made by Design Rego in Hong Kong.