1914 Cast Iron Security Lock for Car Antique Automobile Wheel Lock

There was a day when this would lock your car! The key for the lock will work. This locking mechanism was used on the old spoked wheels and would keep the car in place.  The brass plate reads: This car is protected by the Security Auto-Theft Signal System  $100 Reward For Arrest and Conviction for Grand Larceny of any Person Operating this Car or Tampering with the Signal.  Security Manufacturing Company Manufacturers Successors to Miller – Chapman Company Patented Aug. 25, 1914  Los Angels, California.  Measures 12″ x 6″.