File:Ear specialists examine audiometer, 1923.jpg
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Captions
Captions
Charts of what tones can be heard in various levels of hearing, and ear specialists examining an audiometer.
Summary[edit]
| Description |
English: Caption text says "Lower left- Chart showing the sensation area of hearing for the normal ear in which is located the 300,000 tones. Above- chart of hearing for ear to which only 12 percent of these tones are audible. Upper left - Fifty-eight percent of these tones are heard by the ear graphically shown on this chart. At right- Noted ear specialists examine audiometer." |
| Date | 08-19-1923 |
| Source | https://www.newspapers.com/article/the-boston-globe-ear-specialists-examine/129941539/, The Boston Globe, August 19, 1923, pg. 44 |
| Author | Western Electric |
Licensing[edit]
|
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:39, 13 August 2023 | | 2,304 × 2,121 (1.02 MB) | Abzeronow (talk | contribs) | Uploaded a work by Western Electric from https://www.newspapers.com/article/the-boston-globe-ear-specialists-examine/129941539/, The Boston Globe, August 19, 1923, pg. 44 with UploadWizard |
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