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Phonograph cylinders (also referred to as Edison cylinders after its creator Thomas Edison) are the earliest commercial medium for recording and reproducing sound.Commonly known simply as "records" in their heyday (c. 1896–1916), a name which has been passed on to their disc-shaped successor, these hollow cylindrical objects have an audio recording engraved on the outside surface which can ...
Made from a nitrocellulose compound developed at the Edison laboratory—though occasionally employing Bakelite in its stead and always employing an inner layer of plaster—these cylinder records were introduced for public sale in October 1912. The first release in the main, Popular series was number 1501, and the last, 5719, issued in October ...
However, from January 1915 onwards these were simply dubs of their commercial disc records intended for customers who still used cylinder phonographs purchased years before. The book, "Edison Cylinder Records, 1889-1912," by Allen Koenigsberg, APM Press, lists and dates all American Edison wax cylinders (2-4 min.); ISBN 0-937-612-07-3.
Dictaphone cylinder dictation machine from early 1920s. Notably, Bell and Tainter developed wax-coated cardboard cylinders for their record cylinders, instead of Edison's cast iron cylinder, covered with a removable film of tinfoil (the actual recording medium, which was prone to damage during installation or removal. [3]
In March 1895, Edison offered the device for sale; involving no technological innovations, it was a Kinetoscope whose modified cabinet included an accompanying cylinder phonograph. Kinetoscope owners were also offered kits with which to retrofit their equipment. The first Kinetophone exhibitions appear to have taken place in April. [82]
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The P-series horns have longer bells and a heavier manifold than the M-series. [9] The name of the horn is a P followed by the bells that face forward, followed by R if any are reversed, and then the numbers of the reversed bells; a P12345 is a true five-chime horn with all bells facing forward, while P135R24 has bells 2 and 4 reversed. [2]
The phonautograph is the earliest known device for recording sound.Previously, tracings had been obtained of the sound-producing vibratory motions of tuning forks and other objects by physical contact with them, but not of actual sound waves as they propagated through air or other mediums.
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