Wharton (Rear-Admiral W.J.L.)Monthly Current Charts for the Indian Ocean,12 uncoloured charts, original limp covers titled upper cover in gilt, advertisement from the Admiralty to front paste-down, oblong folio, Published by Admiralty Hydrographic Of-fice, 1895 § Chambers (Charles) Meteology of the Bombay Presidency, Diagrams and Maps, to include Plans of the Grounds and Buildings of the Bombay Observatory; Outlines of Bombay Island and Harbour and 80 charts from Colaba Observatory, original gilt lettered portfolio, [1878-83] (2)