![3 Reasons this Addiator thing I found at a thrift store is totally Blowing My Mind! | by Steven Brykman | UX Planet 3 Reasons this Addiator thing I found at a thrift store is totally Blowing My Mind! | by Steven Brykman | UX Planet](https://miro.medium.com/v2/resize:fit:498/1*J3QAk3FL2dbj70_CvPHHCQ.jpeg)
3 Reasons this Addiator thing I found at a thrift store is totally Blowing My Mind! | by Steven Brykman | UX Planet
![File:Vintage Arithma Addiator Mechanical Handheld Calculator, Made In Germany, Variants Were Produced From 1920 - 1982, This Calculator Was A Promotional Item For Ser-Ap-Es (21295273712).jpg - Wikimedia Commons File:Vintage Arithma Addiator Mechanical Handheld Calculator, Made In Germany, Variants Were Produced From 1920 - 1982, This Calculator Was A Promotional Item For Ser-Ap-Es (21295273712).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/b/b0/Vintage_Arithma_Addiator_Mechanical_Handheld_Calculator%2C_Made_In_Germany%2C_Variants_Were_Produced_From_1920_-_1982%2C_This_Calculator_Was_A_Promotional_Item_For_Ser-Ap-Es_%2821295273712%29.jpg)
File:Vintage Arithma Addiator Mechanical Handheld Calculator, Made In Germany, Variants Were Produced From 1920 - 1982, This Calculator Was A Promotional Item For Ser-Ap-Es (21295273712).jpg - Wikimedia Commons
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Amazon.com: Home Comforts Add Addiator Subtract Calculator Mechanical-20 Inch By 30 Inch Laminated Poster With Bright Colors And Vivid Imagery-Fits Perfectly In Many Attractive Frames : Hogar y Cocina
![Addiator ... I have one, from Professor Adolf D. May, Jr. | Old calculator, Slide rule, Pocket calculators Addiator ... I have one, from Professor Adolf D. May, Jr. | Old calculator, Slide rule, Pocket calculators](https://i.pinimg.com/originals/c1/01/48/c1014864a8d04bd28bbff5880685b351.jpg)