Ammeter Wattmeter for an alternative use for this instrument. Moving iron ammeters use a piece of iron which moves when acted upon by the electromagnetic force of a fixed coil of wire. The moving-iron meter was invented by Austrian engineer Friedrich Drexler in 1884. This type of meter responds to both direct and alternating currents (as opposed to the moving-coil ammeter, which works on direct current only). The iron element consists of a moving vane attached to a pointer, and a fixed vane, surrounded by a coil. As alternating or direct current flows through the coil and induces a magnetic field
Electrical Water Pageant premiers of the updated version of the Disneyland Main Street Electrical Parade and new (but similar) Walt Disney World Main Street Electrical Parade used a new version of "Baroque Hoedown" updated by Don Dorsey. The original lineup of floats for the Electrical Water Pageant were: While the 1971 version of "Baroque Hoedown" would play along with the Electrical Water Pageant through 1976, Disney melodies were added to the track and some of the floats were repositioned and others completely changed in 1972; and remained that way through 1976. While the track was essentially the same as what was heard during