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Show Device for Discouraging Unauthorized Joy Riding While many methods have been devised de-vised to prevent unauthorized Joy riding, rid-ing, one recently Installed by an electrician elec-trician is especially novel. It was done by making a special handle for the gear-shift lever with an Insulating gap between the ball-shaped handle and the rod. A lead from the secondary terminal of the induction coil is brought to this ball handle through the center of the shift lever. l,i3:M I SWITCH ttvt I ?VJJi X- WIRC " ' Device for Shocking Joy Riders. With the engine running, any effort to shift the gears causes the full intensity of the high-voltage current to pass through the driver as his foot is on the clutch pedal completing the circuit. cir-cuit. The current is not Injurious, but is so startling that it will unnerve and weaken the most daring thief. A cutout cut-out switch at the edge of the cowl Is carefully thrown out before the owner starts to drive. Popular Science Monthly. |