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 ...

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 ...

Originally presented as the author's thesis (doctoral)--Linköping University, 1987.

This is the first printing calculator sold. From ancient times, scientists and mathematicians have calculated numerical tables. These tables were often rife with error, both from incorrect ...