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

Magic brain calculator in tin and plastic, with stylus and instructions

Magic Brain Calculator-original Pocket Math Device-1960s-made in

Magic Brain calculator, 102732461

Search our collection Science Museum Group Collection

Clocks, Watches & Scientific Instruments

Powerhouse Collection - Two Magic Brain pocket calculators

National Museum of American History

Powerhouse Collection - Two Magic Brain pocket calculators

Search our collection Science Museum Group Collection

Magic Brain Calculator - How to Add

Eye and brain : the psychology of seeing

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

B chapter.indd - Charles Babbage Institute - University of Minnesota

The Use of computers in museums: present situation and problems