File:Refraction of Hertzian waves by paraffin prism.png
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current | 04:37, 20 May 2013 | 2,548 × 1,288 (25 KB) | Chetvorno | {{Information |Description ={{en|1=Early microwave spectroscopy experiment by John Ambrose Fleming A en:spark gap transmitter ''(right)'' generates en:microwave en:radio waves, which are refracted through an angle by the prism mad... |
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