Here is an article that gives an explanation as to "Why".
https://www.moogparts.com/en-gb/blog/camber-caster-and-toe-on-an-oval-track.html#:~:text=Oval track racing&text=In a NASCAR® oval,so they use positive camber.
Looks like the remains of an antique desk fan to me.
https://antiquefanparts.com/circa-1925-12-westinghouse-style-516860a-oscillating-desk-fan-survivor/
Looks like 37 watchers but no bidders. From what can be seen various parts (and in particular the wood spoke wheels) have been restored to a high standard. Wish it was being auctioned in Australia.
Mike here are some photos of a Schebler R with intake manifold and vacuum tank for a 1917 Series 18 Studebaker (Four cylinder). The original cork float was not useable so I obtained a replacement brass float and soldered the float pivot/needle assembly onto it. Hope this gives some idea how it attaches.
These lights listed on Ebay as 1920's Durant are similiar but not quite an exact match.
https://www.ebay.com/itm/225931650519?itmmeta=01HSWADRZCARJDP77TWYPGD4SQ&hash=item349a9365d7:g:xHkAAOSw5aZlig4R
A "Southern Cross" built in Australia (1931-1935) by Sir Charles Kingsford Smith. See attached.
https://historicvehicles.com.au/historic-car-brands/southern-cross-smithys-car/
The other "thing" beside the oil can bracket is the horn switch. Operated by the button on the steering wheel via a steel rod down the steering column.
Distributor points adjusting tool.
https://www.ebay.com/itm/134798802487
A similar Snapon tool.
https://www.worthpoint.com/worthopedia/snap-tk-30-ignition-tool-1807469566