. Popular electricity magazine in plain English. r obstructions. Thewireman should be careful to select a space be-tween two studs through which to drop to thecellar; that is, space not obstructed by an outsidewindow or door. This method is not alone usefulin dropping wires from the second floor to thebasement but can be utilized where it is desiredto install a bracket or switch on the outer wall ofa room.—Geo. V. Jerome. CUTTING IRON UNDER WATER The cutting of submerged metals is done-bymeans of chisels and saws; this method,How-ever, is extremely costly, as it requires the em-ployment of div
. Popular electricity magazine in plain English. r obstructions. Thewireman should be careful to select a space be-tween two studs through which to drop to thecellar; that is, space not obstructed by an outsidewindow or door. This method is not alone usefulin dropping wires from the second floor to thebasement but can be utilized where it is desiredto install a bracket or switch on the outer wall ofa room.—Geo. V. Jerome. CUTTING IRON UNDER WATER The cutting of submerged metals is done-bymeans of chisels and saws; this method,How-ever, is extremely costly, as it requires the em-ployment of divers, who can work for only shortperiods at a time. Now it is quite possible, bymeans of certain precautions, to keep an oxyhy-drogen torch burning under water, provided thatthe gases are supplied under high pressure* theworkman can therefore heat the metal with theoxyhydrogen torch and complete the cuttingwith a jet of pure oxygen. A German firm hasjust patented an oxyhydrogen torch cutter,which consists of an air tube surrounded by a Cbrpenh. Carpenters C/ia/k Line fishing , <Side Elevation/(hotFig. 2. Method of Making Ball and Loop bell of small dimensions, into which the com-pressed gases are driven. Tests made in theport of Kiel have been very satisfactory. Adiver working at a depth of about sixteen feethas been able, by means of the torch, to cut aplate of soft steel three quarters of an inch thick,producing a hole four inches long in piece of iron 2}i inches square was also cutthrough in 30 seconds. A kind-hearted old lady in Alexandria, Va.,called up the chief operator and asked if itdisturbs the operators when she plays a grapho-phone in the same room with the telephone. Mission Table Lamp and Candlesticks A table lamp which can be constructed with avery limited kit of tools is here described. Oak, preferably, or pine can be used for thebase, center pillar and the frame of the shade is made of sheet brass of about gauge, but black iron
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectelectri, bookyear1912
