Novye ehlektricheskie opyty professora fiziki Vasiliya Petrova, kotoryj onymi opytami dokazyvaet, chto izolirovannye metally i lyudi, a premnogie tol'ko nagretye tela, mogut stat' ehlektricheskimi ot treniya, naipache zhe steganiya ix sherst'yu vydelannyx do...