Scope and Contents Correspondence on magnetic observations, including papers on the establishment of a Magnetic Observatory in Greenwich Park and the benefits to astronomers of this research; specifications and accounts for the Observatory building; functions of the Magnetic Observatory and the provision of staff and equipment; extracts from Royal Society correspondence and minutes on magnetism and meteorology; a report on a letter by F.W.H.A.V. Humboldt concerning magnetic observations; the report of the...

Scope and Contents

Agenda and notices of meetings of the sub-committee of the Aerial Magnetic Survey of the Royal Society; a note to the meeting of the sub-committee of the Aerial Magnetic Survey; and correspondence concerning the magnetic survey by air and the development of instruments and methods.

Scope and Contents Correspondence concerning 'Special cases out of which arose discussions as to original protective clauses', including conferences at the Board of Trade. The correspondence covers the period 1893-1903, and is mainly with the Director of Works.Correspondence with A.W. Rücker and others concerning the protection of the Royal Observatory from the production of a 'magnetic field' as a result of poor insulation between the carriages of the trains passing by the Royal Observatory,...