[Accounts of experiments and calculations to determine the attraction of Schehallion and thereby to ascertain the mean density of the earth by Charles Hutton, Nevil Maskelyne | Lex | Lex
[Accounts of experiments and calculations to determine the attraction of Schehallion and thereby to ascertain the mean density of the earth
[Accounts of experiments and calculations to determine the attraction of Schehallion and thereby to ascertain the mean density of the earth