File:Vintage Eckstein Bros., Inc. Screening Audiometer, Tetra-Tone Model EB-46, Circa 1975 (16733399820).jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:13, 27 December 2015 | 3,945 × 2,928 (3.25 MB) | Tm | Transferred from Flickr via Flickr2Commons |
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