Mechanical calculator (1920)”Addiator” calculator with stylus, carrying pouch and box.
The Mechanical calculator, known as the "Addiator," was introduced in 1920. It was primarily designed for addition and subtraction operations. This innovative device came with a stylus for inputting numbers and performing calculations. The calculator was compact and portable, making it convenient to carry around. To protect it from damage, it was accompanied by a carrying pouch and a sturdy box. The Addiator revolutionized the way people performed basic arithmetic, providing a faster and more efficient alternative to manual calculations. Its simplicity and reliability made it a popular choice among professionals and individuals alike. The Mechanical calculator remains a significant milestone in the history of computing, paving the way for future advancements in the field.
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| Weight | 0.84 lbs |
|---|---|
| Dimensions | 7.87× 5.51 × 0.78 in (WxLxH) |
| MATERIAL |
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| PERIOD | Early 20th century |
| CONDITION |
Good condition. Wear consistent with age and use. |
SKU: AE20-423
