45 rpm Vinyl Single Record with Adapter Insert

A 7 inch vinyl single replica, about 175 mm across and 3.6 mm thick. Fine grooves run around the playing area, the raised centre label reads "45 RPM" and "SIDE A", and the large centre hole is filled by a three-spoke adapter insert of the kind used to play big-hole singles on a standard spindle. The 7 inch single, spinning at 45 revolutions per minute, was introduced at the end of the 1940s and became the format of jukeboxes, pop charts and rock and roll in the 1950s and 1960s. The large centre…

♥ 0