![](https://i.etsystatic.com/37921133/r/il/add1f6/4741486008/il_fullxfull.4741486008_nyk2.jpg)
1960’s Chadwick Magic Brain Calculator. Calculate numbers by using the metal stylus to slide the rows. Great condition! 5 3/4” x 3 1/4”
1960’s Chadwick Magic Brain Calculator. Calculate numbers by using the metal stylus to slide the rows. Great condition!
5 3/4” x 3 1/4”
![](https://i.ebayimg.com/thumbs/images/g/EQgAAOSwcE1l7-Je/s-l225.jpg)
magic brain calculator, 公認海外通販サイト
![](https://assets.catawiki.nl/assets/2023/7/9/b/3/6/b36bdb40-8a5e-425b-8b9d-466eb0e015b1.jpg)
Magic Brain Calculator - Calculator - Painted metal, plastic - 1950-1960 - Catawiki
![](https://thumbs.worthpoint.com/zoom/images1/1/0113/13/vintage-1950s-chadwick-mechanical_1_e601fff7eef26dfed907ffa1c4fef405.jpg)
Vintage 1950's Chadwick Mechanical MAGIC BRAIN CALCULATOR, Stylist + Guide NEW
![](https://i.pinimg.com/originals/4e/c2/a4/4ec2a4511c3112bc0b01b355529d630e.jpg)
1950 Vintage Chadwick Magic Brain Calculator Gadget, Mint in Box
![](https://media.gettyimages.com/id/82952752/photo/side-profile-of-a-teenage-boy-calculating-algebra-equation-in-a-calculator.jpg?s=612x612&w=gi&k=20&c=w6FY5x4zE_5a3t8hGBEy9Uf5OxPk2jIy0c66vN3Atww=)
809 Mathematical Operation Stock Photos, High-Res Pictures, and
![](http://www.johnwolff.id.au/calculators/addiators/BabyCalculator-554-P6121048-4.jpg)
John Wolff's Web Museum - Slide Adding Machines
![](https://i.ebayimg.com/images/g/WtMAAOSwqndi0T7D/s-l1200.jpg)
Vintage 1960s MAGIC BRAIN Pocket Mechanical Addiator Calculator Unpunched NOS
Calculate numbers by using the metal stylus to slide the rows. Great condition! , 5 3/4” x 3 1/4”
![](https://i.etsystatic.com/37921133/r/il/add1f6/4741486008/il_300x300.4741486008_nyk2.jpg)
1960’s Chadwick Magic Brain Calculator
![](https://i.ytimg.com/vi/cT8fSGHHiAs/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLBYphf6OCekwoxxt0RmVshZedPRVw)
Magic Brain: Last Gasp of the Mechanical Calculator