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Righi oscillator (at left) Ruhmkorff coil (at center), two-capacity galvanometer for direct current, State Science Liceo "U. Dini", Pisa.
Righi oscillator (at left) Ruhmkorff coil (at center), two-capacity galvanometer for direct current, State Science Liceo "U. Dini", Pisa.
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Last update 19/feb/2008