(1) Papers regarding the solar eclipse seen in India, 22 January 1898
Bills of tradesmen, hotels and restaurants connected with the solar eclipse, with receipts, 1897.
Correspondence concerning the special meeting of the Royal Society on 31 March 1898 to receive preliminary reports on the solar eclipse.
Preliminary correspondence and camp arrangements.
Preliminary correspondence with the India Office and reports from the meteorological reporter, 1896-1897, concerning the arrangements for eclipse camps for the 1898 expedition.
Correspondence with Major S.G. Burrard concerning eclipse camp arrangements and railway travel prospects, 1896, with a diagram of a telescope hut.
Correspondence with H.H. Turner concerning eclipse arrangements, 1897.
(2) Papers regarding the solar eclipse of 9 August 1896
Correspondence with the Admiralty, 1896, concerning arrangements for travel to observe the eclipse, including a letter to the Commander-in-Chief, China Station, concerning the Astronomer Royal travelling on a man-of-war.
Correspondence with the Japanese Legation concerning travel arrangements, 1896.
Correspondence with the Foreign Office and copies of correspondence from the Consul at St Petersburg concerning the Russian expedition, 1896.
Correspondence with the British Legation, Tokyo, and with HMS 'Centurion', 1896.
Memoranda concerning the Japanese eclipse expedition of August 1896, including weights of packages; lists of plates, with types used; a note on the focusing of the Thompson Photoheliograph; extracts from the 'Monthly Notices of the Royal Astronomical Society', Vol. LVI, No. 3, and from the Nautical Almanac Office Circular, No. 15; travelling expenses; and general lists of addresses.