Fusée

(fu'za.) [Fr., from L.fusus, a spindle.] (Horol.) A contrivance for rendering uniform the action of the mainspring in watches and marine timepieces. It consists of a spirally-grooved cone, on which a flexible chain can be wound. The chain is fastened by one end to the base of the cone, and by the other to a barrel containing the mainspring. By uncoiling, the mainspring causes the barrel to rotate, so as gradually to draw the chain off the F., and, by means of the toothed wheel at its base, to set in motion the remainG. forms the 7th letter and the 5th consonant of theEngG ☑ lish alphabet, while in those of the Greek and Oriental tongues it takes the third place. It is a mute,depending upon a preceding or following vowel for sound, which latter is both hard and soft, as in gaze and gem; while in many words, as in deign, arraign, ., the sound is altogether wanting. G belongs, generically, to the order of gutturals, in which it constitutes the flat or medial bar. As a numeral, it formerly represented 400, and with a dash above, thus G, 40,000. In.chronology, it constitutes the 7th Dominical letter.-(Mus.) Gis the nominal of the 5th note in the diatonic scale of C. and in the solmization of Guido Aretino, was styled sol, re, or ut, according as the hexachord commenced with C, F, or G. It is also the name of the highest or treble clef. [s. 390]