1915 Warner Auto-Meter Magnetic Type Speed Indicator - Used on 54 Models AD #1837

This original 11 x 14" magazine ad features the Warner Autor-Meter Magnetic Type Speed Indicator.  The ad lists 54 Auto Manufacturers building cars in 1915 that used this speedometer.  Very Nice Closeup of the actual gauge face, made by Stewart-Warner Speedometer Corporation of Chicago and Beloit USA.