Originally Posted by
seypat
Nobody has mentioned the fork on the first bike under the article yet? We need some info about that.
That's a Bates cantiflex fork. Lots of those were made for three or four decades. Common enough, popular bikes in the immediate prewar years all the way through the 1950s especially.
Google image search "Bates cantiflex" and you'll see all you need to get the idea!