Miscellaneous papers and correspondence concerning tides and tide gauges, 1878-1879, including tide gauges in the Baltic; the 'Standard', 9 March 1878, on Thames tides; S. Rowland-Johnstone on a copy of 'Tides and Waves'; A. Taylor on the propagation of motion in waves; 'Engineering' on Thames tides; Dr Borgen on tides; 'Proceedings of the Institute of Civil Engineers', Vol. LIX: 'The River Thames' by J.B. Redman; E. Roberts on his 'Tide Predictor'; and tide tables for Bombay, 1880.

Correspondence concerning tides, 1881-1882, including Pearson on tides at Fleetwood; a story concerning the Suez Canal; and W. Todd on tides.

Correspondence concerning tides, 1885-1886, including W.B. Paul on lunar gravitation measured by tides; Darwin and Turner on 'Corrections to Equilibrium Theory of Tides for Continents'; Beanland on tides; F. Hughes on the definition of sea level; and J. Durth on Red Sea tides in 1300 BC.

Correspondence concerning tides, 1887-1892, including W. Bray on planetary tides; the Venice Observatory on lunar tides; the Revd Chapman concerning currents on the coast of Italy; and Admiral Fairfax on tides at Lisbon for the purposes of court-martial proceedings.

Correspondence and papers on tides and related matters, 1893-1927, including G.H. Ogilvy on his 'Theory of Tides'; M. O'Brien on tides at Kingstown; the Hydrographer of the Navy on tides in Ireland; N. Oppenheim on the high tide at Dover, 19 May 1652; and a reprint from 'Shipping Telegraph (Liverpool)', 14-19 October [1892], concerning a new theory of tides by George Olbrich called 'causes of tides and gulf streams in the oceans'.

File of correspondence concerning tides and related matters, 1893-1927, including Thomas Forman and Sons on the differences between their London tide tables and others; Constance Henderson on explanations of the tides; the Port of London Authority on tides for 16 December 1920 and comments on possible seismic disturbances; W. Moon concerning his paper on tides; and W.H. Fox on the tide at London Bridge, 10 June 1540, at 1500 hours.