Scope and Contents

Correspondence, computations and records of observations in regard to the correction of compasses on the iron ship 'Rainbow'. The correspondents include F. Baily, W.H. Barlow, W.H.M. Christie, W.T. Denison, G. Dollond, R. Fitzroy and W. Whewell. The papers include plans of the basin in Deptford Dockyard; 'graphical calculations of perturbations from assumed disturbing face of permanent magnets'; and observations of the dipping needle within and exterior to the ship.

Scope and Contents Correspondence and observations of tides, including records of daily levels of tides; tide graphs; heights of high water marks; meteorological records; and notes taken daily at various coastal stations, including Deptford, Bristol, Southampton, Ipswich, Limerick and Dublin, tabulated and reduced, and often plotted on line graphs. There is also a coloured plan of a tide meter; C. Hopkin's hints and suggestions for a new theory of tides; J. Maxton's description of a self-registering...