Grant’s difference engine was invented in 1876 by George Grant. It was a calculating machine and was invented as a way to advance the current calculating machine technology. It used the latest design ...

Charles Babbage is widely recognized for inventing the first mechanical computer, the Difference Engine, in 1821. However, he never managed to build any of his many designs. Pehr-Georg Scheutz, a ...

As you might expect from its name, the "Difference Engine" is a strangely difficult object to describe. You might start by imagining the side of a large crib with uprights ringed by small metal wheels ...

A note on the value of money in the nineteenth century -- pt. 1. The difference engine -- ch. 1. The tables crisis -- ch. 2. A personal question -- ch. 3. Tragedy and decline -- ch. 4. Miracles and ...

Modern computing is often effortless. You pick up a calculator or open the calculator app on your phone, and you’re on your way in seconds. But getting here took humans several centuries from when ...