|
History Home Events Birthdays Deaths Years |
|
Add "Today in History" or "Today's Birthdays" to Your Site - it's Easy! |
|
|
|
History Home Events Birthdays Deaths Years |
|
Add "Today in History" or "Today's Birthdays" to Your Site - it's Easy! |
|
Drill
|
|
|
1962 Patrick Corry, developed self-rotating rock drill, dies in the Bronx
1955 1st seagoing oil drill rig placed in service 1875 Electric dental drill is patented by George F Green 1849 Joseph Couch patents steam-powered percussion rock drill |
|
|
|
|
| History Home Copyright 2009 BrainyMedia.com | |