STC312554 Russia\'s 3 and a 1/2 ton aeroplane for eight! A giant Sikorsky biplane, one of which bombarded the Germans in East Prussia, from \'The Illustrated War News\' (b/w photo) by Russian Photographer, (20th century); Private Collection; (add.info.: Igor Sikorsky (1889-1972), right, designed the first four-engine fixed-wing aircraft;); The Stapleton Collection; Russian, out of copyright.