Skip to main content

Papers on tides, longitude and invasion, 1859 - 1860

Reference Code: GBR/0180/RGO 6/474

Scope and Contents

Papers concerning tides, the Claudian invasion of Britain and the determination of longitudes. There is material on the 'Eclipse of Thales'; a paper by F. Diaz Covarrubios determining the geographical position of Mexico; D. May's observations in the neighbourhood of River Quarra (West Africa); Airy's comments on Lewis' essay on Julius Caesar's invasion; an article in 'The Times' on Caesar's invasion; Airy's paper on the landing of Claudius; C. Merivale's two articles, one on Claudius' landing in Essex, in 'The Essex and West Suffolk Gazette', and the other on Roman Colchester; W.C. Bergin's Great Circle Chart; W. Parkes' work on tides in India; tidal observations at Manosa Point, Karachi Harbour, with calculations of the tide table; and J. Harrison's work on the tides in the Mersey and Irish Sea. The correspondents include, among others, W.H. Smyth, J. Washington, W.F.P. Napier, W.H. Thompson, S. Grimaldi, J.F. Burgoyne, W.P. Wood, H. James and R. Fitzroy.


  • 1859 - 1860

Conditions Governing Access

Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (


2 archive box(es) (2 boxes)

Language of Materials