Observations on terrestrial magnetism.
Locke, John, 1792-1856.
Observations on terrestrial magnetism. By John Locke. - [Washington, Smithsonian Institution, 1852] - 29, [1] p. 33 cm. - Smithsonian contributions to knowledge, vol. III, art. 1 Smithsonian Institution publication 35. .
s 13000013
Geomagnetism--Observations.
Q11 / .S68
Observations on terrestrial magnetism. By John Locke. - [Washington, Smithsonian Institution, 1852] - 29, [1] p. 33 cm. - Smithsonian contributions to knowledge, vol. III, art. 1 Smithsonian Institution publication 35. .
s 13000013
Geomagnetism--Observations.
Q11 / .S68