electric chimes

pl. A number of bells, grad uated in tone from treble to ba , operated from a key-board or controlled by means of an electric current. electric-circuit, s. The pa age of electricity from a body in one state to a body in another by means of conductors. electric-clock, s. Hor .: A dial with hands and going-train impelled by recurrent impulses from an electro-magnet. The first known clock of this kind was invented by Wheat stone, and exhibited by him in 1840. Appold, Bain, Shepherd and others have contrived clocks on son means of an electric spark or a resistance section of fine platinum wire, which is heated to redne by the pa age of an electric-current induced by a voltaic or magneto-electric battery. 2. A safety device used to protect electric circuits against too great a volume of current. The regular or metal circuit is broken by the introduction of a wire of lead or soft alloy, formed to melt at a point beyond which a current would be harmful. The melting of the fuse will stop the current by breaking the circuit. electric gas-lighting. How it is that an electric spark lights the gas, and why the coil gives a spark : Illuminating gas is principally composed of two elements, carbon and hydrogen, both of which also have a strong affinity for oxygen, but, like phosphorus and sulphur, they will only unite with it when their kindling IMG:content-0829.png:[blocks in formation] from one body to another. electric-current, s. The discharge of electricity