|
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! |
|
Self-Winding
|
|
|
1923 John Harwood patents self-winding watch (Switzerland)
1783 Benjamin Hanks patents self-winding clock |
|
|
|
|
| History Home Copyright 2009 BrainyMedia.com | |