René Tampier, inventor ot Bloctube carburettor, produced roadable biplane 1921 and refined version 1922 with 300-hp Hispano for flight and auxiliary engine for land travel. In 1924 produced T.4 2-seat recon-bomber with 300-hp Hispano and auxiliary engine for starting and driving wireless generator; small series for Aéronavale as crew trainers. Heavy 'multiplace de combat' T.6 (1931) 3-seater with 2 x 600-hp Renault.