If you just looked at the picture, you’d think this was a very early version of the Viper alarm system (immortalized by They Might Be Giants in the song “I can hear you“). Alas, it appears to simply be a disabler.
Uncanny Invention Startles Motorists
Protects Your Car From Thieves, Puzzles lour Friends!
Here is something incredibly new and revolutionary. More mysterious than anything since the first discoveries of radio! As uncanny as electricity itself! Actually more useful and valuable than the self-starter on your car! As easily controlled as your headlights! Inexpensive! No wonder it has turned the motor world topsy-turvy overnight!
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16 mph? Were early speedometers in binary?
Odd Traffic Signs Warn Motorists
ESPECIALLY designed to command instant notice of motorists, a new type of traffic signal, recently put into use in Philadelphia, is shaped like a diamond and equipped with a blinker light to give additional warning. The signals are installed at all corners likely to prove hazardous to speeding motorists.