Experiments with steel shafts went via various phases. In 1924 the Union Components Company of Torrington, Connecticut, U.S., drew a seamless shaft of higher-carbon steel which could be heat-taken care of and tempered. It absolutely was authorised by the R&A in 1929 and substantially changed hickory in the early 1930s. https://in54108.wikijm.com/757524/new_step_by_step_map_for_morris