Correspondence and related papers concerning the R.R.S. (Royal Research Ship) 'Research'. Some of the principal items are as follows:

(1) Correspondence regarding fittings and instruments for the R.R.S. 'Research'

Correspondence with the Cambridge Instrument Company Ltd regarding the marine earth inductor, 1938.

Correspondence regarding the collimating compass, 1938.

Report on the magnetic suitability of a D'Arsonval Galvanometer submitted by the Cambridge Instrument Company Ltd for use on the R.R.S. 'Research', 1938.

Test of the magnetic properties of materials used in the construction of instruments for the R.R.S. 'Research', 1938.

Correspondence with Kelvin, Bottomley and Baird Ltd regarding tubular magnets for the sea deflector, 1938.

Approximate programme of the R.R.S. 'Research', 1938.

List of instruments supplied by the Cambridge Instrument Company Ltd to be used on the R.R.S. 'Research', 1938.

Notes on Messrs Kelvin, Bottomley and Baird Ltd's drawings of magnetic instruments for R.R.S. 'Research', 1937.

Drawing of the marine inductor, 1937.

Correspondence with the Atlas Norfolk works regarding special hollow cylindrical magnets, including a graph, 1937.

Correspondence on the acceptance of the tender from the Precise Instrument Company Inc. for the magnetometer earth inductor, 1936.

Correspondence with the Cambridge Instrument Company Ltd regarding the Smith Portable Magnometer, 1936.

Photograph of a standard dip inductor showing the micrometer microscopes, 1936.

Drawing of a standardising circuit of a potentiometer, 1936.

Correspondence with the Hydrographer regarding the engines for the R.R.S. 'Research', 1936.

Specification of the instruments for the R.R.S. 'Research', 1936.

Plan of the R.R.S. 'Research', 1936.

C. Chaffer's notes on magnetic compasses for the R.R.S. 'Research', 1936.

Specifications of the marine earth inductor, portable coil magnetometer and magnetometer earth inductor, 1936.

Correspondence regarding the status of the non-magnetic ship R.R.S. 'Research', 1936.

Correspondence with Professor Rankine regarding a sensitive magnetometer, 1936.

Correspondence with the Carnegie Institution of Washington regarding the 'Carnegie', 1935.

Correspondence with S. Chapman, Imperial College, regarding the building of the R.R.S. 'Research', and other correspondence congratulating the Admiralty on the proposed non-magnetic ship, 1935.

Report of the conference at the Admiralty, 4 October 1934, to discuss the question of the construction of a non-magnetic ship for the continuance of observations to determine variations at sea.

'Determination of the Magnetism of the Earth. Future arrangements', a paper by J.A. Edgell, Hydrographer, dated 14 November 1933.

Letter by Sir H. Spencer Jones, 1933, regarding the 'Carnegie' observations.

(2) Reports of meetings

Minutes of the meeting held in the Hydrographer's room to discuss the R.R.S. 'Research', 11 November 1935.

Minutes of the meeting held at the Admiralty Offices, 26 March 1935, regarding the estimated cost of the construction of a non-magnetic ship.