The first mechanical wind-up alarm clock that could be set for any time was patented by Seth E Thomas in what year?

Number of Voters
22
First Vote
Monday, 09 October 2006 13:01
Last Vote
Friday, 03 September 2010 09:06

The first mechanical wind-up alarm clock that could be set for any time was patented by Seth E Thomas in what year?

Hits Percent Graph
1876
5 22.7%
1901
5 22.7%
1846
4 18.2%
1907
3 13.6%
None of the above
3 13.6%
1905
1 4.5%
1906
1 4.5%