Alfa Romeo's Tipo 33 sports prototypes debuted in 1967 and evolved into the 12-cylinder machines which secured the world championship in 1975. But the best-loved were the 3-litre 33/3 barchettas of...
John Surtees virtually hung up his helmet in 1972 but, as usual, debuted his new Formula One model (TS9B) late the previous season. He retained chassis 5, the most successful example, until last...