Category:Tonographs

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<nowiki>tonografo; tonograph; strumento inventato da Luca Cagnazzi de Samuele; device invented by Luca de Samuele Cagnazzi; Tonograph; Tonografo</nowiki>
tonograph 
device invented by Luca de Samuele Cagnazzi
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Media in category "Tonographs"

The following 4 files are in this category, out of 4 total.