Title reads: "Roller Skating Derby".
Chicago, United States of America (USA).
Various shots of roller skating circuit race in indoor arena. Men and women race wearing helmets and shiny shorts. Lots of falling over and pile-ups.
American ski jumping championship is held in Illinois.
A new American all steel train is presented to British audience.
Elephant Derby races in America.
Giant fish being caught off American Coast.
Men try their luck at a rodeo in America (USA).
Tortoise racing in America.
New miniature tanks tried out in America.
American battle fleet heading out to sea