globe
I started to appreciate the fact that my Aunt Genevieve was one of the coolest women in the whole wide world in the Spring of 1964. In the days just after the New York World's Fair opened that April - while the networks and newspapers were still agog about one pavilion or another and how amazing the whole scene was - she sent a small package to me in California containing an embossed, gold-leafed invitation, a fair ticket and a keychain with a medal depicting the Unisphere attached to it. Even at eight years old, I knew my aunt was
I started to appreciate the fact that my Aunt Genevieve was one of the coolest women in the whole wide world in the Spring of 1964. In the days just after the New York World's Fair opened that April - while the networks and newspapers were still agog about one pavilion or another and how amazing the whole scene was - she sent a small package to me in California containing an embossed, gold-leafed invitation, a fair ticket and a keychain with a medal depicting the Unisphere attached to it. Even at eight years old, I knew my aunt was
Watershape construction is far more sophisticated now than at any time in history. Swimming pools, for instance, are commonly designed to include spas with complex jet manifolds and a wide variety of controllable effects, while vanishing edges, perimeter-overflow details, multiple water levels and various water-in-transit designs are also increasing in popularity. Fountains and waterfalls and the full range of other waterfeatures also are more elaborate, and what all of them require are well-planned systems of valves to control and divert water to all the necessary components, effects and details. These are situations in which valve choice is, in fact, critical to hydraulic-system design. The many types of valves can be separated into three specific categories roughly according to application. There are some that divert water, others that isolate water and still others that
