THE OXYHYDROGEN BLOWPIPE

(AFTER ROSCOE AND SCHORL EMMER.) S, the oxygen tube; W, the hydrogen tnbo; a, 8, projections from the oxygen tube for keeping it in the centre. " or candle upon an object in the form of a cone, This cone of flame is white without and blue within, and the most intense heat is produced just at the tip of the white flame. [A, 1, 321, 347.] 2 Any tube used for inflating a structure.—Oxyhydrogen b. Fr., chalumeau à gaz oxghydrigue. A device by which hydrogen is burned at the moment of its being allowed to mix with oxygen. Both Ps being under pre ure, the flame is projected, and the heat of the flame has been caleulated by Bunsen to be 2844° F. [A, 9.]