Hey folks, I decided to slightly retrofit some of the cool old Simplex skewers on my original wheels on the '74 Grand Record. In '74, the bike came with the newer style MM Atom skewers on the Normandy Luxe Comp hubs. I think they stopped using the old Simplex quick releases in about '72-'73.
However, my old Simplexes, like almost all of them you see these days, had long since been missing the cool little wingnuts on the ends. I found there is a company just north of me here in Colorado that 3-D prints them. They do a great job, IMO....
Front hub Normandy Luxe Comp with Simplex qr
Front hub wing nut
Rear hub wing nut