The University of North Carolina system database provides salary information on professors, administrators and other university employees. It comes from the UNC general administration for the 2016-17 school year. The database does not include employees' bonus, overtime, annual leave, longevity or summer pay. It does not include public school employees, state government employees or UNC Hospital employees.
Willis Carrier: The Father of the Air Conditioner. The first modern air conditioner was invented in 1902 by Willis Haviland Carrier, a skilled engineer who began experimenting with the laws of humidity control to solve an application problem at a printing plant in Brooklyn, NY.
Control handle and valve for a Westinghouse Air Brake. A railway air brake is a railway brake power braking system with compressed air as the operating medium. Modern trains rely upon a fail-safe air brake system that is based upon a design patented by George Westinghouse on March 5, 1868.The Westinghouse Air Brake Company (WABCO) was subsequently organized to manufacture and sell Westinghouse's invention.uropean railway air brakes include the Kunze-Knorr brake (invented by Georg Knorr and manufactured by Knorr-Bremse) and the Oerlikon.