EditorialFrom a seasonal tuneup of your air-conditioning system to raising the thermostat even just by one degree, there are many ways to help lower your summer electric bill. (Till Lauer/The New York Times)
EditorialPhotograph, Thermostat, Coating Dept, Abbotsford, circa 1940s, Black and white photograph featuring the thermostat for the air supply to the film coating department in the Kodak Australasia Pty Ltd factory, Abbotsford. The image is number 14 in a serie...