Search results
Results From The WOW.Com Content Network
A trailing edge tone occurs when an exterior flow passes over a trailing edge. There is a whistle that is a combination of an edge tone and a trailing-edge tone and might be called a wake-edge tone. It occurs in rotating circular saws under idling conditions and may be called the circular-saw whistle. Under load conditions, blade vibration ...
The variable pitch steam whistle at the New York Wire Company in York, Pennsylvania, was entered in the Guinness Book of World Records in 2002 as the loudest steam whistle on record at 124.1dBA from a set distance [clarify] used by Guinness. [84] The York whistle was also measured at 134.1 decibels from a distance of 23-feet. [12]
After observing local police struggling to communicate with rattles, [2] he realised that his whistle could be used as a tool. As the story goes, Hudson, a violin player, accidentally dropped his violin and it shattered on the floor. Observing how the discordant sound of the breaking strings travelled, Hudson had the idea to put a pea in the ...
A train whistle or air whistle (originally referred to as a train trumpet or air trumpet) is an audible signaling device on a steam or gas locomotive, used to warn that the train is approaching, and to communicate with rail workers. Modern diesel and electric locomotives primarily use a powerful air horn instead of a whistle as an audible ...
Calliope on the Minne-Ha-Ha, a stern-wheeler on Lake George, New York Kitch Greenhouse Steam Calliope at the Ohio Historical Society – July 2006 Fairground calliope trailer being hauled by a U.S.-built traction engine – New Orleans Mardi Gras 2007 Steam calliope (c. 1901) built by George Kratz and used on the showboat French's New Sensation at The Mariners' Museum
The name was given because the sound slowly decreases in frequency over about seven minutes. It was recorded using an autonomous hydrophone array. [8] The sound has been picked up several times each year since 1997. [9] One of the hypotheses on the origin of the sound is moving ice in Antarctica. Sound spectrograms of vibrations caused by ...
M5 bells tended to be varying amounts of hertz off from the diatonic keyboard, just like a chime steam whistle, so about any sound close to various chords could be heard on a healthy M5. In the early 1950s, Swanson introduced the Nathan Truck Horn in T-E and T-5 versions.
The explosion, which occurred just before 6:00 p.m. local time, [1] near the peak of the evening rush hour, was caused by the failure of a Consolidated Edison 24-inch (0.61 m) underground steam pipe installed in 1924. [1] [11] The pipe was located at 41st Street and Lexington Avenue, near Grand Central Terminal.