This was very accurate and precise and, in places where there were exceptions, allowed for him to predict where new elements would be placed and their relative atomic mass, to a great degree of accuracy (1 gen 1869 anni – 23 ore 59 min, 31 dic 1869 anni)
Aggiunto al nastro di tempo:
Data:
1 gen 1869 anni
23 ore 59 min, 31 dic 1869 anni
~ 12 months