Strings (tennis)
In tennis, the strings are the part of a tennis racquet which make contact with the ball. The strings form a woven network inside the head (or "hoop") of the racquet. Strings have been made with a variety of materials and possess varying properties that have been measured, such as dynamic stiffness, tension retention, thickness (gauge), string texture (shape of the string), and rebound efficiency.
History of tennis
Wingfield did patent his hourglass court in 1874, but not his eight-page rule book titled "Sphairistike or Lawn Tennis", but he failed in enforcing his patent. In his version, the game was played on an hourglass-shaped court, and the net was higher (4 feet 8 inches) than it is in official lawn tennis. The service had to be made from a diamond-shaped box in the middle of one side of the court only, and the service had to bounce beyond the service line instead of in front of it. He adopted the rackets-based system of scoring where games consisted of 15 points (called 'aces'). None of these quirks survived the Marylebone Cricket Club's 1875 "Rules of Lawn Tennis" that have been official, with periodic slight modifications, ever since then. Those rules were adopted by the All England Lawn Tennis and Croquet Club for the first Lawn Tennis Championship, at Wimbledon in 1877 (the men who devised those rules were members of both clubs). Wingfield does deserve great credit for popularizing the game of lawn tennis, as he marketed, in one boxed set, all the equipment needed to play his or other versions of it, equipment that had been available previously only at several different outlets. Because of this convenience, versions of the game spread like wildfire in Britain, and by 1875 lawn tennis had virtually supplanted croquet and badminton as outdoor games for both men and women.