Back in 2009 we had a series of post on old Abe's Watch. I still smile thinking about this.

http://www.history-sites.com/cgi-bin/bbs62x/nvcwmb/arch_config.pl?md=read;id=60902

And then the research that the Smithsonian wouldn't do or make public....

http://www.history-sites.com/cgi-bin/bbs62x/nvcwmb/arch_config.pl?md=read;id=60938