Researches on solar physics: second series (in continuation of first series), area-measurements of the sun-spots observed by Carrington during the seven years from 1854-1860 inclusive, and deductions therefrom /
De La Rue, Warren,Ph.D., F.R.S., F.R.S.A.
Stewart, Balfour.
Loewy, Benjamin.
London : Taylor and Francis,
1866.
England London.