Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Twenty-five years ago a new kind of slot machine became legal in Oklahoma City. And with their first cautious, skeptical operation of the devices (installed on the downtown curbs, of all things" Oklahoma Cityans launched a traffic revolution that was to be felt in virtually every part of the world where automobiles are no novelty. It was July 16, 1935, that city drivers first faced the need of dropping a nickel in the parking meter slot on downtown streets in order to buy protection from parking tickets. The meters operated only a day before a restraining order temporarily put them out of business. But after the round of legal wrangling was over, the meters clicke...