Links

Week 1

• A Calculating Table from 1503.

• An online abacus

• An online version of Napier’s bones

• An explanation of sin, cos & tan

• An online slide rule

• Schickard’s calculator

• Blaise Pascal’s counting machine (picture)

• Leibnitz Calculator

• The stepped drum

• Dorr E. Felt’s Comptometer, and the original

Week 2

• Hollerith Tabulating Machine

• National Cash Register

• NCR’s history

• NCR brochure from 1906

• NCR sales ad from 1930s

• A history of IBMs adverts

• Charles Babbage’s Difference Engine, and another view

Week 3

• An orrery, or model of planets movement around the sun

• Lord Kelvin’s tide predictor, and a video

• The Norden Bombsight, and one of the many training videos from WWII.

• Principles of fire control computers in the Navy

• Operating manual for the Mark 1 Fire Control Computer

• The MONIAC analogue computer, and a video showing operation

Week 4

• The differential analyzer, with it’s creator Vannevar Bush

• A short clip of the differential analyzer from the movie “Earth vs. The Flying Saucers” (1956)

• Differential Analyzer at the Moore School of Electrical Engineering, at the University of Pennsylvania, 1942

• Harvard Mark I, and another view

• Atanasoff-Berry Computer

• ENIAC, and a group of programmers

• Oppenheimer and Von Neumann

Week 5

• The Z3, built by Konrad Zeus. The worlds first fully programmamble digital computer. It used relays, so was electromechanical.

• Bletchley Park, home of the British code breaking effort.

• Alan Turing

• Turing’s Bombe

• The Imitation Game