. Electric railway journal . THIS OUEIOK LOOKING DEVICE IS A HOME-MADE PAINT-SPRAYING MACHINE 1040 Electric Railway Journal Vol. 57, No. 23. SEAT CTSHIOK GUARDS AVHICH SAVE THEEXPOSED EDGES inside of the clamping box, not visible in the picture,acts as a stop. The right-hand device is the jig for usein drilling. The construction is similar to the sawingjig except that the clamp is provided with a hardenedbushing as a drill guide and there is no base, the deviceas it stands being very convenient for use in the drillpress. Another useful little device is a motor-driven windingmachine, used for w
. Electric railway journal . THIS OUEIOK LOOKING DEVICE IS A HOME-MADE PAINT-SPRAYING MACHINE 1040 Electric Railway Journal Vol. 57, No. 23. SEAT CTSHIOK GUARDS AVHICH SAVE THEEXPOSED EDGES inside of the clamping box, not visible in the picture,acts as a stop. The right-hand device is the jig for usein drilling. The construction is similar to the sawingjig except that the clamp is provided with a hardenedbushing as a drill guide and there is no base, the deviceas it stands being very convenient for use in the drillpress. Another useful little device is a motor-driven windingmachine, used for winding up heater coils on porcelaincores. The particular feature here is the provision forpreventing breakage of the cores by excessive and irreg-ular application of force in clamping. The spindlewhich carries the porcelain core is supported only at oneend, which may for convenience be termed the head-stock. At the headstock end of the spindle is a cup-shaped socket to receive one end of the core. Thespindle also carries an adjustable clamp on which ismounted a second socket, attached to it by means of acoil spring. When clamped betwe
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
