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History of the measurement of mass by Mind Map: History of the measurement
of mass
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History of the measurement of mass

This is just a demo map that you can delete right away, if you feel like it...

started

necessary measurement

http://www.historyworld.net/wrldhis/PlainTextHistories.asp?historyid=ac07

Length, Egypt, Mesopotamia

weight

volume, Geistesblitz Tools, Email & SMS Gateways, Compare Editions

time, New node

picture about history of measurement of mass

http://www.google.com.hk/imglanding?q=mass&um=1&hl=zh-TW&tbs=isch:1&tbnid=vMger0Qo03U0OM:&imgrefurl=http://www.tutorvista.com/content/science/science-i/atoms-molecules/atom.php&imgurl=http://image.wistatutor.com/content/atoms-molecules/atomic-mass-determination.jpeg&zoom=1&w=430&h=358&iact=hc&ei=ZRXjTJfOLofEvgPjkPWvDg&oei=ABXjTI6iOYy0vgPGupTzDQ&esq=11&page=11&tbnh=135&tbnw=162&start=221&ndsp=21&ved=1t:429,r:1,s:221&biw=1161&bih=733

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timetable

Sundial and water clock: from the 2nd millennium BC

Erathosthenes and the camels

Hero's dioptra: 1st century AD

Hipparchus

The hour: 14th century AD

clocks

Minutes and seconds: 14th - 16th century AD

von Guericke

Barometer and atmospheric pressure: AD 1643-1646

Accademia del Cimento

Mercury thermometer: AD 1714-1742

Chronometer: AD 1714-1766

Sextant: AD 1731-1757

European voyages in the 15th century practical improvements