Ammeter to be measured with both polarities, common in scientific and industrial equipment. Zero-center ammeters are also commonly placed in series with a battery. In this application, the charging of the battery deflects the needle to one side of the scale (commonly, the right side) and the discharging of the battery deflects the needle to the other side. A special type of zero-center ammeter for testing high currents in cars and trucks has a pivoted bar magnet that moves the pointer, and a fixed bar magnet to keep the pointer centered with no current. The magnetic field around the wire carrying
Electrical Water Pageant the Main Street Electrical Parade at Disneyland, an oscillator swoop was heard during the music transitions in the Electrical Water Pageant. The 1972 to 1976 lineup of floats for the Electrical Water Pageant were: With the return of the Disneyland Main Street Electrical Parade in an updated form along with the brand new Walt Disney World Main Street Electrical Parade, a new version of Jean-Jacques Perry & Gershon Kingsley's "Baroque Hoedown" was created in 1977 to be used with both parades respectively featuring an updated rendition of Barque Hoedown recorded by Don Dorsey. To help distinguish the Electrical Water Pageant