ON September 12, 1931, Flight‐Lieutenant J. N. Boothman, of the British Schneider Trophy team, won the trophy outright for Great Britain by covering the distance of 350 kilometres (217.45 land miles) round a triangular course at an average speed of 340.08 m.p.h., in a Supermarine S.6.B. seaplane No. S.1595, putting the 100‐kilometrc record up, during the first two laps, to 342.9 m.p.h. The following day Flight‐Lieutenant G. H. Stainforth, in a similar seaplane, No. S.1596, made a new world's air speed record of 378.05 m.p.h., which he increased on September 29, in S.1595, to 408.8 m.p.h.
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