Experiments with metal shafts went via many phases. In 1924 the Union Components Business of Torrington, Connecticut, U.S., drew a seamless shaft of significant-carbon metal that may be warmth-dealt with and tempered. It was accepted with the R&A in 1929 and significantly replaced hickory within the early 1930s. From the https://gregory-hills-gioncologis64319.blogdemls.com/29429392/top-guidelines-of-harrington-park-ear-specialists