2 Vintage Manual Calculators. 1 is Chadwick Magic-brain Calculator 1950-1960's
![](https://i.etsystatic.com/37092409/r/il/1369f9/5352929194/il_fullxfull.5352929194_6lai.jpg)
![](https://i.ebayimg.com/images/g/dx8AAOSw1eJi0T7J/s-l1600.jpg)
Vintage 1960s MAGIC BRAIN Pocket Mechanical Addiator Calculator Unpunched NOS
![](https://coimages.sciencemuseumgroup.org.uk/127/99/medium_thumbnail_1911_0255__0004_.jpg)
Magic brain' calculator. C.1955 Science Museum Group Collection
![](https://assets.catawiki.nl/assets/2020/1/10/a/1/4/a14eb015-0cf9-401b-9ecd-7694f329311f.jpg)
Magic Brain Calculator - A vintage mechanical addiator type calculator, 1950 -60s - Aluminium, Plastic, original packaging - Catawiki
![](https://americanstationer.files.wordpress.com/2022/03/1954-san-francisco-examiner-ad-wm-sm.jpg)
American Stationer, antique & vintage staplers, adding machines, hole punches, check protectors, calculators, pencil sharpeners, scales, tape dispensers and all other office equipment
![](https://www.picclickimg.com/PtIAAOSwy~xjvpxk/Vintage-Casio-JL-820-Computer-Scientific-Electron-Calculator-Japan.webp)
Vintage Calculators, Vintage Electronics, Consumer Electronics - PicClick CA
![](https://s3.amazonaws.com/pastperfectonline/images/museum_136/021/2014021002.jpg)
Magic Brain Calculator, c. 1950-1969 - Machine, Calculating
![](https://www.picclickimg.com/u8MAAOSwMMFbbKWG/Vintage-USSR-Working-RARE-OLD-calculator-Elektronika-MK.webp)
Vintage Calculators, Vintage Electronics, Consumer Electronics - PicClick CA
![](https://imagedelivery.net/znDGKaxxskgDbNUpqPVRFg/ph-collection-media/images/1613524.jpg/w=2560,q=75,metadata=keep)
Powerhouse Collection - Two Magic Brain pocket calculators
![](https://media.karousell.com/media/photos/products/2023/8/15/antique_vintage_friden_model_h_1692088427_4254cd8d_thumbnail.jpg)
Affordable calculator For Sale, Vintage Collectibles
![](https://assets.catawiki.nl/assets/2020/1/10/7/6/d/76dede14-310d-46b8-999f-f4d36f8e5d32.jpg)
Magic Brain Calculator - A vintage mechanical addiator type calculator, 1950 -60s - Aluminium, Plastic, original packaging - Catawiki
![](https://alamodern.com/img/2010/02/100220magicbrain1.jpg)
Vintage Chadwick Magic Brain Calculator on A La Modern
![](https://i.ytimg.com/vi/aN2Fo5UqYjY/hqdefault.jpg?sqp=-oaymwEmCOADEOgC8quKqQMa8AEB-AH-BIAC4AOKAgwIABABGGUgZShVMA8=&rs=AOn4CLBKXjebN_CYxLxRjzRwntzcYixBug)
Magic Brain Calculator - How to Divide