Powerhouse Collection - Two Magic Brain pocket calculators

Mechanical addiator type calculators (2) with stylus, instruction manual and packaging, magic brain pocket calculator, metal / plastic / paper, maker unknown, Hong Kong / Japan, 1950-1960

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Magic brain' calculator. C.1955 Science Museum Group Collection

Pocket Calculator.

Vintage 1960's Magic Brain Pocket Calculator Brand New Sealed Package

Powerhouse Collection

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Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in

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Ever wonder what stationery items our ancestors used in their school classrooms? Check out some of these old-school items ranging from a mathematical instrument set to a magic-brain calculator! Tap on each

Magic Brain calculator, 102732461

VINTAGE MAGIC BRAIN POCKET CALCULATOR WITH STYLUS And INSTRUCTIONS

Group of Vintage Adding and Numbering Machines