The lugs on the headtube with their cutouts certainly don't look Raleigh-ish to me. That script on the downtube looks like it says "Windrush," and it looks to be handwritten/painted. Reminds me that someone I know recently showed me a late 1960s Schwinn Continental that was in his carriage house when he bought the property, and on that bike someone had painted "Lead Sled" on both sides of the downtube.

Neal