1877 – Thomas Edison completes 1st model for the phonograph, a device that recorded sound onto tinfoil cylinders.
1877 – Thomas Edison completes 1st model for the phonograph, a device that recorded sound onto tinfoil cylinders.
1914 1st electric traffic light installed in the USA on the corner of East 105th Street and Euclid Avenue in Cleveland, Ohio
1832 – Benjamin Bonneville leads the first wagon train across the Rocky Mountains by Wyoming’s South Pass