This is a pretty unique bicycle we acquired over the summer. We thought it was a Harley Davidson model # 220. It has the HD chain ring and the arched top tube. Upon closer inspection and with the help of a collector, it turns out it may not be so. The fork crown is different and the rear brake bridge is straight, not arched. Also, the way the arched tube joins the seat tube is not quite right. We definately want to know more! If you can shed some light on these inconsistencies, I am all ears.
It also has an Atherton rear coaster hub, which is a rare piece.
Harley Davidson is of course famous for its motorcycles, but they also produced bicycles from 1917-1923 as a way of recruiting potential customers for their motorcycles, which were at that point, a fairly new thing. They were built in Dayton, Ohio by the Davis Machine Co. and discontinued by 1923 because of disappointing sales. They made a few different models, including ladies bikes, which are quite rare today.