One of the first Allards. Note early Ford axle modified as independant. Some info here: https://www.motorsportmagazine.com/archive/article/july-1981/113/number-plates-fgp-750
Automobile trials. Points lost for stopping forward motion or reversing. Suspension articulation is the name of the game.
Look in the background, they are touring the Tucker plant on Chicago’s south side where previously Dodge had a contract to produce Wright R 3350 engines for B-29 bombers. Today that floor space is occupied by Tootsie Roll Industries, where they produce a number of different candies.