The single-cylinder Nortons and Velocettes continued to hold the foreign invasion at bay in 1938. Between 1931 and 1937 Norton had six Senior-TT wins with the long-stroke CamShaft One (CS1) engine....

Norton broke even more records in 1933 by achieving the very first one-two-three in both the Senior and the Junior races. There was no stopping them - or Stanley Woods, who grabbed his second double,...