Estate Find!
Vintage 1960s MAGIC BRAIN Pocket Mechanical Addiator Calculator Unpunched NOS
Unopened package Includes instructions, Calculator and Stylus are both metal
Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in Hong Kong
Dennis the Menace Bonus Magazine #160 : Fawcett Comics : Free
Gallery: 15 unique analog and mechanical computers from throughout
Magic Brain: Last Gasp of the Mechanical Calculator
References, Page 3
Index Smithsonian Institution
The Magic Brain Calculator – I Remember JFK: A Baby Boomer's
Magic brain' calculator. C.1955 Science Museum Group Collection