Scope and Contents Correspondence on different aspects of the work of the Cape Observatory:(1) Cape Observatory InstrumentsCorrespondence between G.B. Airy, W. De La Rue and D. Gill regarding the proposed large equatorial for the Cape, 10 April - 13 November 1880, with Airy's report to the Admiralty of 10 November 1880.Correspondence between G.B. Airy and J. Simms regarding iron stands for small transits, including diagrams, 21-28 July 1880.Correspondence between G.B. Airy and...

Scope and Contents Correspondence regarding meteorology and the sighting of meteor showers, divided into eight sections:Correspondence between D. Gill and the Meteorological Office, London, regarding the supply of equipment, barometers, etc., to the Cape Observatory, 18 March 1879 - 5 April 1884.Correspondence between D. Gill, the Meteorological Commission and various individuals on the preparation of annual weather reports and measurements made, 30 May 1879 - April 1895.Correspondence...

Scope and Contents Miscellaneous correspondence regarding the following subjects:Telegraphs announcing errors and failures in the time signal, 1879-1880.Complaints about the time signal sent to Glasgow, the General Post Office and Portsmouth, 1880-1881.T. Lewis and W.H.M. Christie on the correction of the mean solar clock and errors in the 10 o'clock signal, 1884.Explanation by W.H. Preece to H.H. Turner that the failure of the time signal is due to poor batteries,...

Scope and Contents Papers regarding the National Committee for Geodesy and Geophysics (N.C.G.G.), including correspondence with A.H. Goldie, Professor Chapman, Dr Vestrine, Professor Proudman, Dr R. Field, Professor Stagg, Dr Oort, Dr Stoneley, Dr Bullard and others concerning meetings of the N.C.G.G., the International Union of Geodesy and Geophysics (I.U.G.G.) and sub-committees; times; dates; places; attendance; programmes; and proposals. There are letters regarding officers of committees, nominations, the...

Scope and Contents Correspondence concerning meetings, membership and reports of the Terrestrial Magnetism Sub-committee of the International Union of Geodesy and Geophysics. The correspondents include Professor S. Chapman, Dr J.A. Fleming, A.H. Goldie, Captain Heck, M. Maurain, Dr G.S. Ljungdahl, Dr T.W. Warmell, Professor F.J.M. Stratton, Professor E.V. Appleton, Dr J. Bartels, F.J. Whipple, J.G. Jeans and Professor Eve. The papers include a report of the Magnetic Chairs Sub-committee, with comments;...