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History of Educational Tools and Technology

History of Educational Tools and Technology. By: Anna Yarbrough. The Abacus. The abacus was invented in Babylon in 2400 B.C. This invention was the first calculator. http://www.mandarintools.com/abacus.html. Homing Pigeons.

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History of Educational Tools and Technology

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  1. History of Educational Tools and Technology By: Anna Yarbrough

  2. The Abacus • The abacus was invented in Babylon in 2400 B.C. • This invention was the first calculator. • http://www.mandarintools.com/abacus.html

  3. Homing Pigeons • These pigeons were used to deliver messages to other cities, houses, etc. • The Homing Pigeons were used during 776 B.C. • http://www.homingpigeon.com/

  4. Foot and horse back messengers • These messengers were fairly common in Egypt and China. • These messengers were here during 200 B.C.- 100 B.C. • http://www.2-clicks-stamps.com/article/postal-services-history-and-origins.html

  5. Erasers put on pencils • The Eberhard Company was the one to produce the first pencils with erasers on the end. • This came to be in 1756 • www.nyc.gov/html/lpc/downloads/pdf/reports/Eberhard_Faber.pdf

  6. Semaphore Telegraph Line • This invention was invent by Claude Chappe in 1793. • http://www.ieeeghn.org/wiki/images/1/17/Dilhac.pdf

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