wind shield wipers
Trains, horses, wagons, and automobiles were common.
Safety GOGGLES were invented by a man called Francis J. Gurtowski in 1960. You mean safety goggles right? :]
there were mostly trains,trams,automobiles, and carriages.
It was invented in the 1930s you knitwits
Automobiles have been updated and computerized.
No
in the 1930s they used automobiles taxis tram cars and trains.
check wiki.answers.com
Henry Ford.
It depends what you mean by GADGET. If you mean helpful device - then properly the wheel
Stability and traction.
What technology inventions were done in the 1930s? there wasv radios till 1950 there was tv.