Documents Erin Brinkerhoff .

Slide 1 Erin Brinkerhoff http://en.wikipedia.org/wiki/Astronomical_clock Slide 2  Agricultural Age: This was a time when extended families lived together. Children were…

Documents A Timeline of Technology

A Timeline of Technology A Timeline of Technology Erin Brinkerhoff http://en.wikipedia.org/wiki/Astronomical_clock Strand 1: 8000 BC to 1750 Agricultural Age: This was a…