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18,000 BCE
Ishango Bone
A tool made from bone, with a quartz tip and scratches that may be as tally marks for counting. -
3000 BCE
Abacus
A counting and calculating tool used by merchants and clerks before written numerical systems. -
1554
Astrolabe
An advanced inclinometer, used for measuring the position of the sun, stars and planets. -
Analytical Engine
The first general purpose mechanical computer, designed by Charles Babage. -
Ritty Model I Cash Register
Mechanical device for registering and calculating transactions with a cash drawer for storing money. -
Colossus
The world's first electronic digital computer that was at all programmable. -
The Manchester Baby
An early 'stored-program' computing machine developed to test the first computer RAM. -
Pulsar Digital Electronic Watch
A wristwatch that shows the time as a number using electronics rather than mechanics -
Motorola DynaTAC Cell Phone
A phone that can make and receive calls while moving around. -
Apple iPad Tablet
A hand held tablet device with a touch screen, camera, microphone, wifi and mobile phone connection.