Magic Brain Pocket Calculator, 1950-1960 - Made in Hong Kong

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Vintage calculator - .de

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Powerhouse Collection - Two Magic Brain pocket calculators

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Vintage Magic Brain Mechanical Pocket Calculator, Made in Japan

1960s Kingson Magic Pocket Calculator

Vintage Magic Brain Pocket Calculator with Stylus Hong Kong

KINGSON POCKET CALCULATOR VINTAGE/RETRO WITH MANUAL Pen + CASE 1960 £19.99 - PicClick UK

New technologies and development: science and technology as factors of change; impact of recent and foreseeable scientific and technological progress on the evolution of societies, especially in the developing countries

Issue 2 – Prospectives