After meeting American scientist Benjamin Franklin in 1765, Joseph Priestley ​ — who had only dabbled in science as a hobby — ​ began to conduct experiments with electricity.
Pärast kohtumist ameerika teadlase Benjamin Frankliniga aastal 1765, hakkas Joseph Priestley — kes oli teadusega seni kokku puutunud vaid hobi korras — eksperimenteerima elektriga.