wrt the cycle's wheels:

suspect it possible neither is original. front hub is a large flange five-piece that appears to be WECO, a German brand. if you clean off it's barrel you may find a maker's mark. wing nuts are French and rim looks as though it may be a SAMIR Saminox, difficult to tell.

rear wheel has a small flange solid axle hub that appears to be one-piece as best am able to tell. wheel has been rebuilt with new rim and spokes at some point.

btw - what is the story on that homemade chainstay stop; looks as though it may have been created by adapting a chainguard bracket or similar. suspect you may find the scar of a broken braze-on beneath.

when you disassemble the chainset you may learn the manufacturer. if OMG, the center section of the spindle will be so marked.

enjoy your project! ;^D