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- Timeline of invention (28171 bytes)
3: ...s ambiguity, the date of the first practical, fielded version of the invention is used here.
60: * [[Odometer]] : [[Ancient Rome|Rome]]: [[Archimedes]]?
66: ...ntury BC|200s BC]]: Compound [[pulley]]: [[Archimedes]]
74: * [[1st century]]: [[Rudder|Stern mounted rudder]] in [[History of China|China]]
83: * [[9th century|800s]]: [[Black powder|Gunpowder]] in [[History of China|China]] - Computer mouse (29399 bytes)
1: ...movement.<br>'''3:''' Optical encoding disks include light holes.<br>'''4:''' Infrared LEDs shine thro...
3: ... The underside of the mouse houses a device that detects the mouse's motion relative to the flat surf...
5: ... because the cord on early models resembled the rodent's tail, and also because the motion of the poin...
9: [[Image:firstmouseunderside.jpg|frame|The first computer mouse held by invent...
11: ....com/3543541.html 3541541]. Ball and wheel by ''Rider'', 9/74, [http://www.freepatentsonline.com/38354... - Mobile phone (30513 bytes)
2: A '''mobile phone''' is a device which behaves as a normal
3: [[telephone]] whilst being able to move over a wide area (compare [[cordless phone]] which acts as a ...
4: phones allow connections to be made to the
10: ...e world's largest mobile phone manufacturers include [[Alcatel]], [[Audiovox]], [[Kyocera]] (formerly ...
14: == Worldwide deployment ==
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