A calculator from 1955: Chadwick Magic Brain Calculator
By A Mystery Man Writer
Description
Chadwick MAGIC BRAIN CALCULATOR, Stylist + Instructions, Made in JAPAN, NEW
Magic Brain Calculator, c. 1950-1969 - Machine, Calculating
Chadwick Magic Brain Calculator, B1633.01
Mathmatical Objects of Mystery — Accidental Mysteries
MAGIC BRAIN CALCULATOR: SUBTRAÇÃO
Magic brain' calculator. C.1955 Science Museum Group Collection
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Pine Level Elem. Media Center 3/12/2010 @ 7:56am Title List Page
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