File:Hoffman model KP706 Transolar Radio 1959.jpg
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Summary
| Description |
English: Hoffman model KP706 Transolar Radio (1959). This transistor radio featured an array of silicon solar cells on top of the case, allowing it to be powered either by sunlight or batteries. Hoffman Electronics made the photovoltaic cell a marketable device. Hoffman solar or photovoltaic cells were used on the United States first satellite, Vanguard 1, in 1958. Hoffman expanded solar cell applications to the Consumer Products Division. |
| Date | |
| Source | Own work (Original text: Picture of my radio collection) |
| Author | Engradio |
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Engradio at English Wikipedia, the copyright holder of this work, hereby publishes it under the following licenses:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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Transferred from en.wikipedia to Commons by Kelly using CommonsHelper.
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- 2013-02-24 02:28 Engradio 3872×2592× (2527351 bytes) Uploading a self-made file using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 14:26, 23 February 2014 | | 3,872 × 2,592 (2.41 MB) | File Upload Bot (Magnus Manske) | Transfered from en.wikipedia by User:Kelly using CommonsHelper |
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