2 "Ficheiro:Refraction_of_Hertzian_waves_by_paraffin_prism.png".

Ficheiro:Refraction of Hertzian waves by paraffin prism.png

English Microwave refraction experiment by John Ambrose Fleming applies to jurisdiction: United States of America determination method or standard: SHA-1...

Ficheiro:Hertzian wave apparatus - Augusto Righi 1897.png

org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Microwave experimental apparatus built by Augusto Righi 1894...

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