OCR Text |
Show Silencer for Engine It Is sometimes necessary to take heroic measures to preserve our silence. si-lence. Consider the problem of the Tucson Light and Power company, which has a Diesel engine with an exhaust ex-haust pipe 32 Inches in diameter, the roar of which could be heard for 14 miles. To overcome .the tremendous and unbearable noise which the engine en-gine would develop a Maxim silencer has been built which weighs 26,000 pounds. Is seven feet in diameter and is 20 feet long. The first silencer of this type was six Inches long and went on the end of a gun barrel. |