, This one is not branded Linemar or Vanguard Magic Brain but this is the exact same modelling and moulding. In working order (see video)
Slide Rules & Calculators — The National Museum of Computing
VINTAGE MAGIC BRAIN CALCULATOR - Made In Japan 1970's w/ Box and
Vintage Magic Brain Mechanical Pocket Calculator NO Stylus Japan
VINTAGE KINGSON MAGIC brain pocket calculator with stylus Hong
Manual Calculator - UK
Pocket Calculating Devices
Facit and the Disruptive Electronic Calculator
Pocket Calculating Devices
Calculator - Wikipedia
Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in
Slide Rules & Calculators — The National Museum of Computing
Magic Brain Pocket Calculator, 1950-1960 - Made in Hong Kong
Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in
Magic Brain Calculator (Japan) w/instructions Unused
Pocket Calculator Isn't A Brain Or Magic
