if anyone is interested or as infatuated with brainerd or eniac as I am, I found that John Brainerd's pocketwatch is listed on eBay. It has some kind of coding engraved in it. Too rich for my blood, but if I could afford it, it would be mine! VERY COOL.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=1247&item=5165948022