File:Acoustic receiver circa 1950s.png
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Summary
| Description |
English: Fixed-site acoustic receiver system used during the late 1950s. Data was recorded on both paper and magnetic tape. |
| Date | |
| Source | http://www.fisheriessociety.org/proofs/tel/Sec2_Hockersmith.pdf |
| Author | Eric Hockersmith and John Beeman |
Licensing
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:09, 20 April 2014 | | 650 × 435 (426 KB) | Jeremiah160 | User created page with UploadWizard |
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