كرة سلة جلدية أصلية ذات أربطة من عشرينيات القرن العشرين

English

1920s ORIGINAL LACED LEATHER BASKETBALL

Spalding introduced an inflation valve that was initially incorporated into laced basketballs. As the technology improved and became more reliable, the valve gradually replaced the traditional lacing system by the 1940s and 1950s.