File:Frederick A. Kolster.jpg
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current | 15:46, 7 August 2010 | 1,464 × 1,192 (354 KB) | Allesmüller~commonswiki | bleached | |
11:37, 7 August 2010 | 1,464 × 1,192 (267 KB) | Allesmüller~commonswiki | {{Information |Description={{en|1=Frederick A. Kolster, with his invention, the radio detector}} |Source=National Magazine, 1915 (43), page 945 |Author=American Press Association |Date=1915 |Permission={{PD-US}} |other_versions= }} [[Category:History of |
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