What is the production dates of the Winfield Model S downdraft and the production date of the updraft and as well as the beginning production date of the SR Winfield?
Thanks
Mike
http://www.nwvs.org/Technical/2104WinfieldHV.pdf
Thanks, I've read that article and it has some dates. What I've found is the Model S was first produced in early 1930. It appears the downdraft and updraft were offered at the same time. The Model SR appears in the 1933 catalog.