Unfortunately, there is no way of obtaining this number, because not all clubs, private or public, are registered or otherwise listed, publicly. Furthermore, not all clubs having tennis courts designate themselves as such (i.e., they may be named as a "Golf club" or "swim club", etc), and a "private tennis court" could also be construed as a personal/residential tennis court, which do not have any members other than the immediate family.
No you can bring as many as you want.
Toward the end of their popularity in the late 1970s, top wooden racquets like the Kramer Autograph sold for around US $50. The Kramer Pro Staff commanded about $5 more; the Davis TAD Imperial, about the same.
There are many companies, worldwide, that manufacture tennis racquets (n.b., finding all of them would be time-consuming; listing only a few would be unfair to the others, and could be construed as advertising, which is against the rules of this website).
In the old days tennis racquets were made of wood or metal. Technology has enhanced tennis racquets, and has made the game easier, and gives the athlete a larger chance to do more with the ball.
Tennis racquets are sold at almost all major sporting goods stores, including Dicks and Sports Authority. Major retailers like Walmart also carry tennis racquets.
They're store-bought racquets with the excepts of Rokkaku in which the coach personally designs each player's racquet. For real-life Prince of Tennis racquets, they're occasionally stocked as official merchandise that can be found on the official Prince of Tennis website or in anime conventions.
Adult racquets are usually longer and heavier than junior racquets
http://tennis.about.com/od/racquetsballsstringing/a/evolmodracquet.htm
Babolat is a French sports equipment manufacturer that produces strings and tennis racquets for tennis, badminton and squash. Famous sportsmen like Roddick, Nadal or Clijsters use their racquets.
im guessing more than a thousand a day but other tthan that idk.:)
At the Tennis Express stores. They sell racquets, clothes, balls, tennis books, tennis DVDs, sunglasses, bags, and more.
Yes, you can keep more than 10 racquets in a Wilson tennis bag. The company makes several bags that hold up to 12 and 15 racquets. As with any racquet bag, you will want to check to see if there's enough room for clothing, accessories and your racquets. It may be better to err on the side of getting too large a bag.