An Account of the Construction of the Self-Recording Magnetographs at Present in Operation at the Kew Observatory of the British Association
An Account of the Construction of the Self-Recording Magnetographs at Present in Operation at the Kew Observatory of the British Association
An Account of the Construction of the Self-Recording Magnetographs at Present in Operation at the Kew Observatory of the British Association. From the Report of the British Association for the Advancement of Science for 1859.
