Contributions to Terrestrial Magnetism, the Magnetic Dip Or Inclination
As Observed at Thirty Important Maritime Stations, Together With an Investigation of the Secular Change in the Direction of a Freely Suspended Magnetic Needle at Twenty-Nine of the S
Contributions to Terrestrial Magnetism, the Magnetic Dip Or Inclination
As Observed at Thirty Important Maritime Stations, Together With an Investigation of the Secular Change in the Direction of a Freely Suspended Magnetic Needle at Twenty-Nine of the S