3 Facts About The Burroughs Adding Machine The Burroughs Adding Machine can still be purchased today from sites like eBay, usually for between $70 and $300, or more depending on the condition of ...

While adding machines, sometimes referred to as printing calculators, may seem outdated and obsolete, they remain indispensable for offices all over the world.

Posted in Retrocomputing Tagged adding machine, nixdorf, vacuum tube computer ← UV Printing PCBs The Three Cent Motor Controller → ...

Wolverine Adding Machine (1941) In the 1930s and ’40s, the closest that consumers could get to a mainstream commercial computer was a mechanical adding machine.

Marlene Burkey Orefield A: The Comptometer was the first mechanical adding machine with a keyboard. It was invented in 1887 and was popular in the 20th century but the computer age brought its demise.

Woodwork hacker Matthias Wandel has built this amazing binary marble adding machine. The device can store the binary states of six bits, and use them to add numbers from one to 63. It works with ...

Brands that do well at auction for both adding machines and typewriters include Underwood, Remington, Oliver, Corona, Royal, Woodstock, to name a few. The condition of the machine also matters.

Other adding machines are found scattered in the NMAH collections. The mathematics collection also has collections of adders, bookkeeping machines, and calculating machines, which are described ...