Ten-pin bowling over the Model A), all three versions are still in widespread use. The television age of the 1950s also helped to increase the popularity of ten-pin bowling, as images of the sport began to enter the homes of millions across the United States. Nationally televised programs like "Jackpot Bowling" and "Make That Spare" became popular on Friday nights from the late 1950s into the early 1960s. Following many years of debate over what constituted a professional bowler versus an amateur, Eddie Elias founded the Professional Bowlers Association (PBA) in 1958. The PBA's "Pro Bowlers Tour" became a permanent part of
Five-pin bowling react to a ball rolled or pin knocked down. When bowling on free fall pinsetters, the bowler would have to press a button to initiate a pick-up cycle to clear downed pins lying on the pin deck. If automatic scoring is in use, all automatic resets are actually initiated by the scoring computers. The lower operating and maintenance costs of the string pinsetter eventually led to the demise of free-fall pinsetters. When a bowling centre retires free-fall pinsetters, the old machines are usually bought by other free-fall equipped bowling centres and are disassembled for parts. Free fall pinsetters are still