Titled "The Giant. Meet the newest Sikorsky Amphibian 'Plane... four engines of over 2,000 h.p. - net weight (without wrapper) 17 tons." The Sikorsky S-40 Clipper flying boat sits with a smaller Sikorsky S-39 amphibian in front of it on the ramp at Sikorsky's Bridgeport, CT factory. Igor Sikorsky gives details about the S-40. The S-40 takes off and makes a pass by a camera plane.
