Professor Billy Opperman's Swimming School
"A crowd of youngsters enjoying themselves in a swimming bath. Some are diving from a springboard, and others from the sides of the bath.""A crowd of youngsters enjoying themselves in a swimming bath. Some are diving from a springboard, and others from the sides of the bath.""A crowd of youngsters enjoying themselves in a swimming bath. Some are diving from a springboard, and others from the sides of the bath."