The first one is a Peugeot, the second a Bugatti. Driver Maurice Trintignant can be seen in bobble hat and shades behind the car (discussing with Phi-Phi Etancelin?).
Respectfully suggest No 14 is a Ballot - not unlike their four 1919 Indy entrants - maybe at French GP '21? The other's engine being the wrong end for Auto-Union is the first clue ...
Clyde Pangborn missing the ladder at 60 mph as the crowd watches. Miraculously, he was not seriously hurt and went on to have a long career in aviation. (Probably by getting in planes before they took off.)
A Danny Lion photo from his 60's book that inspired a "re-enactment" in the movie of the same name; The Bikeriders.
Home town bridge ! Ride on brother . I tried to get a stand in part , never got a smell . I think I’m too old !