| | Golf Article, Golf Information (Site not responding. Last check: 2007-11-02) |
 | | Due to its superior flight characteristics, the featherieremained the standard ball for more than two centuries. |
 | | Robert Adams invented the guttapercha ball (or guttie). |
 | | Because gutties were cheaper to produce and could be manufactured with textured surface toimprove their aerodynamic qualities, they replaced feather balls completely within a few years. |
| www.anoca.org /ball/hole/golf.html (4456 words) |