Originally Posted by LWaB
Can't tell from the rim profile but there looks to be too much frame clearance for solid tyres, possibly cushion tyres but probably very early pneumatics. I'm not familiar with American cycles though.
It is good to see a bike that actually belongs in a vintage forum.
Thanks for your observation. My guess is pneumatics because there is a valve stem hole in each rim--- a big valve stem hole. It shows in one picture above, but here is a closeup. Notice the nippleless spokes.
