Official correspondence with Government departments and related papers concerning the Royal Observatory, Cape of Good Hope, including the following material:

Report of His Majesty's Astronomer at the Cape of Good Hope to the Secretary of the Admiralty for the year 1948, compiled 1949.

Correspondence regarding the re-filling of the post of His Majesty's Astronomer at the Cape Observatory, 1949.

Minute from the Hydrographer referring to a photographic zenith tube, 1949.

Correspondence with Douglas D. Robertson of Durban regarding the purchase of the 8-inch telescope mounted at Durban, 1948.

Correspondence regarding the reconditioning of lenses for Cape Town, 1948.

Correspondence with J. Jackson and the Hydrographer regarding infrared converter tubes, 1948.

Correspondence between Sir Harold Spencer Jones and Rear Admiral A.G.N. Wyatt regarding a visit to South Africa, 1948.

Correspondence regarding the object glass for the Usher Telescope, 1948.

Correspondence between the Astronomical Society of South Africa and H. Spencer Jones regarding the Usher Telescope, 1948.

Correspondence regarding the proposal for the Astronomer Royal to visit South Africa, 1948.

Correspondence on the annual contribution by the Admiralty to the Radcliffe Observatory, Pretoria, 1948.

Correspondence between G. Jowsey of the Admiralty and H. Spencer Jones regarding the 74-inch telescope for the Radcliffe Observatory, 1947.

Draft docket from the Hydrographer regarding the Royal Observatory, Cape of Good Hope, and the proposed annual contribution to the Radcliffe Observatory, 1947.

Correspondence between H. Spencer Jones and the Admiralty regarding new telescopes, 1947.

Correspondence between the Bow Street Police Court and H. Spencer Jones regarding the licence for R.H. Stoy to take a two-year old child to South Africa for adoption, 1947.

Correspondence between H. Spencer Jones and the Admiralty regarding the differences between J. Jackson and R.H. Stoy on the proposed areas for the future work of the Cape Observatory, 1947.

Correspondence with the Admiralty regarding the disposal of old survey instruments from the Royal Observatory, Cape of Good Hope, 1947.

Correspondence between H. Spencer Jones and the Admiralty regarding R.H. Stoy's proposed visit to continental and British observations, 1947.

List of the positions of reference stars for the zones -56° to -64° (1950-0), 1947.

Correspondence with J. Jackson regarding the printing of annals, catalogues, etc., 1947.

Correspondence of J. Jackson with H. Spencer Jones regarding the appointment of A.W.J. Cousins, 1946.

Correspondence with the Commander-in-Chief, Simon's Bay, regarding the erection of an observation tube, 1946.

Airmail letter from J. Jackson to H. Spencer Jones regarding eclipse instruments, 1946.

Letter from H. Spencer Jones to J. Jackson regarding rhythmic time signals, 1945.

Letter from J. Jackson to H. Spencer Jones congratulating him on his selection as President of the International Astronomical Union, 1945.

Letter from J. Jackson regarding the supply of photographic plates, 1945.

Correspondence with the Hydrographer regarding the Observatory and Liesbeek road and river scheme, 1942.

Correspondence with Sir H. Spencer Jones regarding the duties of the three labourers at the Cape Observatory, 1937.