Navigation page

New (2 June 2017) watch a video showing our steam powered Difference Engine
Babbage’s life and times

Short biography – Timeline – Places – Characters

A guide to the literature

Babbage’s own writings  –  Scholarly works – Popular culture and ephemera – Archives – Web sites

Major designs

Overview – DE0 – DE1 – AE – DE2 – Universal machine tools

The notation

Our Notions and Notation project – FORTRAC – DE2 notations and simulations

Alternate Babbagery – modern reinterpretations and open source hardware

The Plummer difference engines

Tim Robinson’s Meccano difference engine –  Andrew Carol’s Lego difference engine

Babbage and economics