2.  Richard Trevithick granted a patent for the steam locomotive  Commercial electric motor invented by Thomas Davenport

3.  Typewriter invented by Charles Thurber  Phonographic Correspondence Society formed in England

4.  Book & newspaper folding machine patented by Cyrus Chambers, Jr.  Property of magneto-resistance was discovered by William Thomson

5.  The electric voice machine was patented by Thomas Edison  Trachoma color photo process patented by Louis Duos du Huron

6.  Microphone invented by Emile Berliner  Process for hard drawn copper wire developed by Thomas Doolittle  1877 First tape recorded voice by Thomas Edison  Phonograph invented by Thomas Edison  Household use of electricity made available by Thomas Edison

7.  Linotype machine invented by Ottmar Mergenthaler  1884  Data processing machine and punch cards invented by Herman Hollerith

8.  Radio signals invented by Guglielmo Marconi  Cinematograph developed by Augusta and Louis Lumpier

9.  Sound film invented by Lee DeForest  Television invented by Philo Farnsworth

10.  Optical fibers invented by B. Hirschowitz, C. W. Peters, and L. Curtiss  Videocassette recorder invented by Charles Paulson Ginsburg with Ampex

11.  First integrated circuit produced in the U.S. by Jack Kirby and Robert Nonce  Computers built with transistors mark beginning of second generation computers

12.  More than 200 programming languages are created by this date  International Business Machines (IBM ) creates desk-sized computers for businesses and scientists

13.  IBM produces the PC AT with an Intel 80286 microprocessor  Hewlett Packard produces first Laser Jet printers for PCs  Apple manufactures the MacIntosh computer with a graphical user interface