Storia dell'elettricità
Biographical notes
Scientists index
Pieter van MusschenbroekBenjamin Franklin



 William Watson 

                    London 3 April 1715-London 10 may 1787  (1)   1747  Sign electrical ( +   - ) 
Watson arrived in independent way to the same conclusions of Franklin Favorite, in other words that the 'elettrizzazione' is the separation of the two forms of positive and negative electricity, with the consequence that their sum must remain constant par to zero.  (neutral situation)

Note: 1) source