1. By: Anna Yarbrough

2.  The abacus was invented in Babylon in 2400 B.C.  This invention was the first calculator.  http://www.mandarintool s.com/abacus.html http://www.mandarintool s.com/abacus.html

3.  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/ http://www.homingpigeon.com/

4.  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 http://www.2-clicks- stamps.com/article/postal -services-history-and- origins.html

5.  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/do wnloads/pdf/reports/Ebe rhard_Faber.pdf www.nyc.gov/html/lpc/do wnloads/pdf/reports/Ebe rhard_Faber.pdf

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