Experiments with steel shafts went by way of several phases. In 1924 the Union Hardware Corporation of Torrington, Connecticut, U.S., drew a seamless shaft of higher-carbon steel that would be heat-handled and tempered. It had been authorised from the R&A in 1929 and considerably changed hickory from the early 1930s. https://menachema974sai0.wikimillions.com/user