Technology in the 20's

By ardengood

  • Radio Shack

    The first Radio Shack was established in 1921 by two brothers who provided radio equipment through retail and mail-order. Today, the serviced that radio shack rendered is not in the form of online store and suppliers.

  • CRT (Cathode Ray Tube)

    John B. Johnson and Harry Weiner Weinhart develop the first CRT. This is basically a computer's lights bult; project's electron beans across the screen in interlocking patterns that create pictures and text.

  • First Electric Key Punch

    Developed by C-T-R, the invention of the electric key punch paved the way for all modern keyboards.

  • Transistor Patent

    Creation of the first patent for the semiconductor transistor by conglomerates at Bell Laboratories. This piece of technology is what controls the amount of wattage when settings are changed. There is a transistor in every single one of our CPU's.

  • TV Signal

    First successful TV signal was sent by Philo Taylor Farnsworth. This led to the first television station the following year called W2XCW. Just look at what we have done with television today!