Ron, Doll and Carette both made versions of this engine. I will try to post some in for later this evening for you
As did Weeden. Which is what I think you may have. It is a very rare model! The dilemma is that yours has curved spokes in the flywheel and the pictures on the Weeden.com website show straight spokes.
“The Weeden No. 78 has two round steel pillars supporting the engine. The cast iron base is 6" X 4", it stands 10" high. It was introduced in 1908 and produced for the next 10 years.”