Image of a Mikiphone pocket phonograph,a device manufactured primarily in the 1920's and 1930's. The device played a regular size record,but was only slightly larger than a pocketwatch | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bolstad, Bjorn G. |
Bildgröße: | 3879 px × 3001 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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