Many dented fenders later, the first signal indicators show up. This article makes clear that both the break light and the turning signal indicator are both the same color (red) but they are an improvement on what was sporadically used in a few circles: the “Illuminated Glove” (a fingerless mit intended for the left-hand that was supposedly easier to see when making stop or turning gestures).
Automotive History Article 1918Old Magazine Article About Early CarsMagazine Article About Turn SignalsFirst Automotive Turn SignalFirst Car Brake-Light 1918Magazine Article About First Car Brake-LightMagazine Article About Automotive Turn SignalMagazine Article About Turn SignalsMagazine Article Concerning Turn Signal1918 Magazine Article Concerning First Car Brake-Light
Automotive History Article 1918Old Magazine Article About Early CarsMagazine Article About Turn SignalsFirst Automotive Turn SignalFirst Car Brake-Light 1918Magazine Article About First Car Brake-LightMagazine Article About Automotive Turn SignalMagazine Article About Turn SignalsMagazine Article Concerning Turn Signal1918 Magazine Article Concerning First Car Brake-Light