GREGORY HILLS GIONCOLOGIST SECRETS

{Experiments with steel shafts went through various phases. In 1924 the Union Hardware Company of Torrington, Connecticut, U.S., drew a seamless shaft of large-carbon steel that might be warmth-addressed and tempered. It had been approved via the R&A in 1929 and substantially replaced hickory within the early 1930s. From the sixties aluminum shafts