THE HISTORY OF THE PHONOGRAPH

                In 1877,  Thomas Edison began experimenting with a hybrid of the telephone and telegraph.  He was hoping for a message that could be transmitted repeatedly over the telegraph.  The message was to be a series of indentations on a spool of paper.  This evolved into embossing on a tin Read more

EDISON AND THE LIGHT BULB

 Officially, Oct. 21, 1879 is the day that Edison invented the light bulb. Edison did not invent the light bulb.  An incandescent light bulb was invented by British inventor Joseph Swan in 1845.  The incandescent light worked by using electricity to heat a filament that would then glow with white Read more