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File:EdisonBiteMarks.jpg

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Summary

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File information
Description

English: According to a sign at the Edison and Ford Winter Estates Museum, Thomas Edison created the groove seen in this wooden frame of an early phonograph player by biting into it so he could sense the musical vibrations with his teeth, since he was almost completely deaf.

Source

Own work

Date

2019-12-24

Author

Self-created photograph by Jonathunder

Permission
(Reusing this file)

See below.


Licensing

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