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www.reference.com/article/history-phonograph-7267e6bcafbe613

The phonograph, invented by Thomas Edison in 1877, was intended as a recording device to complement the telephone. After working with the telegraph, another Edison invention, he noted that the messages could be written down and delivered at a later date. With the teleph...

www.reference.com/article/invented-phonograph-57b0f9323680ae5c

Thomas Edison is credited with inventing the phonograph, completing his first model on August 12, 1877. Edison's creation was inspired by his work on improvements to the telephone and telegraph.

www.reference.com/article/wind-up-phonographs-work-8bfc3ff232244aeb

When a wind-up phonograph is manually wound up with a crank, the record spins and the needle vibrates, causing sounds that are then amplified by a horn. The record transfers the recorded sound to the needle through the shape of the groove in the record. This type of gra...

www.reference.com/article/did-phonograph-change-society-f11bbca583438a6c

The phonograph changed society in much the same way that the first musical notation or the invention of the metronome changed the way musical tempo was measured and written; it provided a mechanical means of spreading music to the world, according to the New York Times....

www.reference.com/article/determine-value-antique-phonograph-6a9346abfcfb2be8

Determine an antique phonograph's value by researching its age, condition and desirability. Generally, a phonograph that is older, in good to excellent shape, and highly sought after is worth more than other phonographs. What ultimately determines the value is how much ...

www.reference.com/article/typical-value-brunswick-phonographs-7173e452cd102bc3

A Brunswick table model phonograph is worth anywhere from $200 to $350, while an upright model will typically sell for $300 to $500, as of 2015. The Brunswick Panatrope, introduced in 1926, can fetch as much as $1,000, however.

www.reference.com/article/were-edison-inventions-4ed281e30ecd25f2

Over the course of his career, Thomas Edison accumulated 1,093 patents for his inventions, including the phonograph, the motion-picture camera, the alkaline battery and the automatic telegraph. While he did not invent the light bulb, he was the first to invent an incand...