1.) Terminal strip - for headlights, horns etc. Isolated from the metal fender.
https://www.classicparts.com/1947-54-Headlamp-Terminal-Block-4-Terminal/productinfo/48-8162.) Possible PCV (positive crankcase ventilation) Valve. Need more pictures.
It could also may be the optional Hydrovac (maybe RPO 281) for power brakes booster.
3.) Roadside Emergency Kerosene-Pots. They were available at local parts stores.