I have borrowed two pictures, namely: Hertz_schematic0.PNG[1] TransverseEMwave. PNG[2] From your English article about Heinrich Hertz in Russian, also has received the following message:
Attention!
The given licence owing to additional conditions can be used exclusively and only for compatibility with conditions of distribution of images with the licence {{gfdl}}, rebooted in Russian Википедию from English Википедии.
Please, address to the author the given job with the request for relicensing without additional conditions.
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