Richmond Kent with boat model powered by Flettner rotor, Chepachet, Rhode Island

Index data: 1-3, Richmond Kent with Flettner rotor powered boat model; 4-15, Flettner rotor powered boat model in water; 16-17, Nancy Harley with Richmond Kent and boat model; 18-19, Nancy Harley with Edna and Richmond Kent; 20, Edna Kent placing boat model in pond