Mechanical calculator (1920)”Addiator” calculator with stylus, carrying pouch and box. During the early 20th century

During the early 20th century

The attention to detail in their features and clothing is truly remarkable

the British Empire

one of which is covered

adorned with delicate floral patterns

Mechanical calculator (1920)”Addiator” calculator with stylus, carrying pouch and box. During the early 20th centuryThe 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