Vtg 1960's Mechanical Pocket Calculator - Made in Japan - Magic Brain

, This one is not branded Linemar or Vanguard Magic Brain but this is the exact same modelling and moulding. In working order (see video)

Facit and the Disruptive Electronic Calculator

Antique Mechanical Calculator FOR SALE! - PicClick UK

Calculator Vintage Electronics Have Soul – The Pocket Calculator

Magic Brain: Last Gasp of the Mechanical Calculator

RESERVED for Sakornrat. Vintage Piccolo-S mechanical Addiator

Our Vintage Adventures!: Wacky vintage Japanese Analog Calculator

Vintage Chadwick Magic Brain Calculator. Made in Japan. Mid century modern. This item is used and has visible scratches and signs of usage. I have

Vintage Chadwick Magic Brain Calculator. Made in Japan Mid century modern.

RESERVED for Sakornrat. Vintage Piccolo-S mechanical Addiator

Magic Brain Calculator (Japan) w/instructions Unused

VINTAGE KINGSON MAGIC brain pocket calculator with stylus Hong

Magic Brain Calculator - How to Add

Magic Brain: Last Gasp of the Mechanical Calculator

Pocket Calculating Devices

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

John Wolff's Web Museum - Slide Adding Machines