Magic-Brain Calculator
National Museum of American History
![](https://mechanicalcalculators.files.wordpress.com/2022/05/imgp7318.jpg)
Addiators A Collection of Mechanical Calculators
![](https://content.instructables.com/F4F/L7MJ/K8S8LPTC/F4FL7MJK8S8LPTC.jpg?auto=webp&fit=bounds&frame=1&height=1024&width=1024auto=webp&frame=1&height=150)
Cardboard Calculator : 9 Steps (with Pictures) - Instructables
![](https://i.pinimg.com/236x/75/d3/8b/75d38b4610f45e135d807a696be0fde4.jpg)
180 Everything and Nothing ideas everything and nothing, dangerous roads, recorder music
![](https://i.ytimg.com/vi/6l3zCWL1y3Q/sddefault.jpg)
Magic Brain: Last Gasp of the Mechanical Calculator
![](https://i.pinimg.com/236x/84/2e/d2/842ed266bbde177980d67a3650dc9c52.jpg)
$3.2 Vintage Magic Brain Slide Calculator
![](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://i.pinimg.com/200x150/fe/9f/95/fe9f95f3338412effab04db463129eab.jpg)
180 Everything and Nothing ideas everything and nothing, dangerous roads, recorder music
![](https://i.ytimg.com/vi/ygArRLcc7EE/maxresdefault.jpg)
Magic Brain Calculator with instructions. 1960's.
![](https://images.proxibid.com/AuctionImages/3860/169998/LOT_102_2.jpg)
Danish Whiffs Cigar Box with Vintage Baby
![](https://i.redd.it/1mt3eui7agma1.jpg)
Probably been done before but did it just in case : r/Trigun
![](https://www.irememberjfk.com/wp/wp-content/uploads/2019/07/addiator.jpg)
The Magic Brain Calculator – I Remember JFK: A Baby Boomer's Pleasant Reminiscing Spot