A single tower casts light from six carbon arc lamps, illuminating a 1,500-foot-radius (460 m) circle brightly enough to read a watch.
During World War II, a central switch was installed, allowing citywide blackouts in case of air raids.
In 1993 the city of Austin dismantled the towers and restored every bolt, turnbuckle and guy-wire as part of a $1.3 million project, the completion of which was celebrated in 1995 with a citywide festival.
[5][6] The Zilker Park tower was prominently featured in the film Dazed and Confused (1993) as the site of a high-school keg party, in which the character David Wooderson played by Matthew McConaughey exclaims, "Party at the moon tower.
[9]The scenes were actually filmed at mock-up of a tower, which was erected at Walter E. Long Park east of Austin.