By: Dalton cook

1877-  Thomas Edison was working in his lab when one day he succeeded (Mary had a little lamb) with a strip of tin foil around a spinning cylinder..

1877-  In the spring of 1877 Charles cros photograving to cause the original stylus to re created, passed on to the diaphragm and sent back to the air as of a type of sound.

December,  Thomas Edison was the first one to ever record audio from human.

1888-  A German immigrant settled in Washington and he decided to start on audio recording him self.

1936-  Tefifon-it was a belt recorder, somewhat like the sonaband recordall that came out in 1957.

1951-  Minifon-it was released in 1951, it was supposed to be made small and portable to put in a shirt pocket but it came out pretty big size so it was made for a huge pocket….

1960-  Up until even the late 1960's or so, most electronic stores (Radio Shack's) had Tube Testers on their premises - most of which you could use yourself.

1987-  Sonifex- though this machine came along much later in the cart machine timeline, they ended up placing it just below the original cart machine.

Battery power-  There was a 9 volt battery to power the electronics. Three 1.5 d volt batteries…

Sonaband-  Embossed the audio information on to a soft vinyl with a stylus, instead of cutting material such as acetate..

Sound scriber-  Sound scriber was one of the best marketing sellers.. It came in two sizes.

Autograph-  Introduced in 1945 by the Gray Manufacturing Company of Hartford, Connecticut, the Audograph used technology similar to the Soundscriber and Dictabelt, in that the modulated grooves were embossed onto soft vinyl.

Ediphone-  The Ediphone and subsequent wax cylinder used in Edison's other product line continued to be sold up to 1929 when the Edison's company closed….

Gramophone-  The technology was very similar... But instead of using a cylinder, Berliner used a flat recording disc and a stylus which cut a spiral groove while the stylus in the cylinder moved up and down in vertical cut recording format (known also as the "hill- and-dale" vertical cut) to record the actual audio.

Wire recorder-  is a type of analog audio storage which a magnetic recording is made upon thin steel or stainless steel.

1881-  Clement Adder, using carbon microphones and armature headphones, accidentally produces a stereo effect when listeners outside the hall monitor adjacent telephone lines linked to stage mikes at the Paris Opera.

1910-  Enrico Caruso is heard in the first live broadcast from the Metropolitan Opera, NYC.

1925-  Enrico Caruso is heard in the first live broadcast from the Metropolitan Opera, NYC.

1887-  Enrico Caruso is heard in the first live broadcast from the Metropolitan Opera, NYC.