Mackenzie, A. Stanley (Arthur Stanley), 1865-1938.
The laws of gravitation; memoirs by Newton, Bouguer and Cavendish, together with abstracts of other important memoirs. Tr. and ed. by A. Stanley Mackenzie ...
Gravitation.
Earth -- Density.
Newton, Isaac, 1642-1727
Bouguer, M. (Pierre), 1698-1758.
Cavendish, Henry, 1731-1810.