Photos: Tracking the servers at Wimbledon

Every summer, one small part of South West London is stirred from its sunny slumber by the sound of racquet on ball, leavened with the straining grunts of young bodies pushed to their limit. Yes, it's Wimbledon again.

In the past, the big technological breakthrough in tennis was when racquets stopped being made from animal parts in favour of metals and plastics. Today, Wimbledon is one of the highest of high-tech zones.

Instant data communications are the norm, with wireless communications everywhere, lasers deciding if a ball landed in or out, and other devices deciding if a ball has struck the tennis net or merely wafted past.

And behind the scenes, technology has made further inroads. But, as ZDNet UK discovered, some parts remain firmly rooted in another time....