Carbon monoxide of carbon dioxide by electromagnetic radiation of wavelengths shorter than 169 nm. Due to its long lifetime in the mid-troposphere, carbon monoxide is also used as tracer of transport for pollutant plumes. Carbon monoxide is a temporary atmospheric pollutant in some urban areas, chiefly from the exhaust of internal combustion engines (including vehicles, portable and back-up generators, lawn mowers, power washers, etc.), but also from incomplete combustion of various other fuels (including wood, coal, charcoal, oil, paraffin, propane, natural gas, and trash). Large CO pollution events can be observed from space over cities. Carbon monoxide is, along with aldehydes, part
Sensation Lawn Mowers Sensation Lawn Mowers Sensation Lawn Mowers was a commercial lawnmower brand created by Howard Phelps in 1944. The Sensation Lawn Mower Company was located in Ralston, Nebraska, USA. Howard Phelps received patent number 2,265,545 on his mowing machine, which featured a rotary cutting blade directly driven by an industrial quality electric motor in 1941. This very prototype still exists and is on display at the Pioneer Village Museum in Minden, NE. The Sensation Lawn Mower Company was started by Howard and his wife Rosemary Rodman Phelps. Phelps designed a gasoline powered mower in 1944. Later during the 1950s a generation