By A Mystery Man Writer
, Made in Hong Kong, Includes Original Simplified Instructions, In Good Used Condition! 6/10
Unopened package Includes instructions, Calculator and Stylus are both metal
Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in
Magic Brain Calculator - A vintage mechanical addiator type
This great little vintage pocket calculator is from the 1960s before electronic calculators became more compact and affordable. Does addition,
1960s Manual Pocket Calculator
Powerhouse Collection - Two Magic Brain pocket calculators
1960's Chadwick Magic Brain Pocket Calculator W/ Leather Pouch
Magic brain' calculator. C.1955 Science Museum Group Collection
Miscellaneous
Vintage Chadwick Magic Brain Calculator on A La Modern
Calculator - Wikipedia