Correspondence and other papers regarding the loan and return of property belonging to the Royal Observatory:
Correspondence concerning the loan and return of Observatory instruments, both to institutions and to private individuals such as E. Knobel, Sir George Airy, Captain Abney and others, 1875.
Correspondence concerning the photographs sent by the Astronomer Royal to the Potsdam Photographic Exhibition, 1886.
Correspondence concerning the loan to Captain W.J. Wharton, Hydrographer of the Navy, and return of 'the published account of the United States Expedition to observe the total eclipse of 1870', 1885.
Correspondence of 1885 concerning the loan to General Sir H. Lefroy and return of a volume of original magnetic photographs recording the declination and horizontal force magnets for 1850.
Correspondence concerning the return of a driving clock from the Science and Art Department of the Education Council, 1885.
Detailed description of the Great Equatorial telescope lent to W.B. Murray, 1882.
Correspondence concerning the loan and return of the Lee Equatorial to the Hong Kong Observatory, 1883-1884.
Correspondence concerning the loan and return of a Hodgson 6" object glass to the Elder Brethren of Trinity House, 1884.
Correspondence concerning the loan of the clock Dent 2011 to the Kew Committee, 1884.
Correspondence concerning the loan of a photoheliograph mounting to the Mountain Observatory Committee of the Royal Society, 1884.
Correspondence concerning the loan to Bethnal Green Museum and return of the following instruments, 1884-1886: Simms' Equatorial No. 2, Transit D, Transit A and Altazimuth A.
Correspondence between Sir Ernest Shackleton of the Imperial Trans-Antarctic Expedition and the staff of the Royal Observatory, 1914-1920, arranging for the collection of various instruments loaned to the expedition, and concerning their subsequent loss in the wreck of the 'Endurance' on 27 October 1915.
Correspondence between the Astronomer Royal and the Hydrographer of the Navy concerning the loan of magnetic instruments to Sir Ernest Shackleton's Antarctic expedition, 1921.
Correspondence concerning the return of photographs lent to the Glasgow Corporation Galleries of Art for the Glasgow Photographic Exhibition, 1887.
Correspondence concerning the loan of vols II, III and IV of Nevil Maskelyne's observations to A. Auwers, 1886.
Correspondence concerning the loan of the Corbett Equatorial to the Revd S.J. Perry, 1887.
Correspondence concerning the loan of the cap-stone and lewis of a portable transit instrument to G.C. Frederick, 1886.
Correspondence with the South Eastern Railway concerning the repair of an electric clock, 1884.
List of movable property belonging to the Royal Observatory on loan on 17 May 1889.
Request from Sir George Airy, 1888, for the loan of 'Le Verriers Solar Tables' and 'Le Verriers Tables' in 'Annales de l'Observatoire Imperial de Paris', vol. 4.
List of movable property belonging to the Royal Observatory in 1890.
Note by A.M.W. Downing, Librarian of the Smithsonian Institute, 1890, stating that an examination of the books in the Library and Record Room had discovered only one missing item: 'Smithsonian Miscellaneous Collections', vol. XXXII
Request from the Royal Meteorological Society, 1890, for copies of all observations of thunderstorms, lightning, etc., for 1888-1889.
Note of instruments returned to the Royal Observatory by the Bethnal Green Museum, 1890.
Correspondence concerning the return of a barometer (Negretti and Zambra 8314) by Dr Copeland, 1886.
Request from Captain Hills for the loan of Harrison's chronometer, 1886.
Request from Captain Darwin for two or three dry plate boxes, 1886.
Request from E. Knobel for a few duplicate sheets of meteorological observations, 1886.
Correspondence with Sir George Airy concerning loans of various books and instruments, 1882-1887.
List of loans and returns of movable property belonging to the Royal Observatory in 1889.
List of solar photographs lent to R. Meldola, 1888.
Correspondence with Professor Adams concerning the loan of Auwers's 'Catalogue', 1888.
Correspondence with the Kew Committee concerning the loan of the clock Dent 2011, 1888.
List of Royal Observatory instruments on loan on 2 May 1888.
Correspondence with A.R. Sennat of the Masters of the Bench of the Honourable Society of the Inner Temple regarding the loan of solar photographs, 1888.