GREGORY HILLS GIONCOLOGIST SECRETS

{Experiments with metal shafts went via various phases. In 1924 the Union Hardware Firm of Torrington, Connecticut, U.S., drew a seamless shaft of high-carbon steel which could be heat-dealt with and tempered. It was authorised through the R&A in 1929 and significantly replaced hickory from the early 1930s. Within the nineteen sixties aluminum shaf