Gear Technology Magazine
www.geartechnology.com/articles/21687-gear-industry-barometers

Gear Industry Barometers

March 1, 2002
A good sailor can predict when the weather is about to change. He uses simple tools to measure variables like air pressure, temperature and wind speed. Although those indicators can't perfectly forecast the weather, the sailor can get a good idea of what's going to happen by applying his experience, judgment and even his gut feelings.