After months of teaching my daughter how to drive, parallel park, three-point turn, etc. (she passed her driver’s test today), she was docked points for not using hand signals. She took her test in a car, not a horse and buggy. Bruh! americanhistory.si.edu/collections/...

Simler Turn Signal for Automobile

This turn signal was invented by Oscar J. Simler and patented in 1929. Aside from signaling turns, the device would signal for slowing when the brake was pressed, and signal a stop when the brake and ...