You sure there was a ramming lever?
Some of the Deane Adams and Deane revolvers didn't come with rammers. They used a separate loading ram road sold as part of the overall kit, as shown with this one:
http://www.google.com/imgres?imgurl=...ch&um=1&itbs=1
What's interesting, though, is that this is the only trigger cocking single action DAD revolver I've ever seen...