As it was : highlights of hydrographic history from the Old Hydrographer's Column, Hydro International, volumes 1-6 /by Steve Ritchie and fellow writers.

A collection of 48 hydrographic highlights listed chronologically by Steve Ritchie, who contributed a regular column for Hydro International magazine. Starting with the 'periploi' or early sailing directions, it includes Carte Pisane (the earliest sea chart); the great atlas of 23 charts, Spieghel der Zeevaerdt, published by Lucas Janszoon Waghenaer in 1584; Edmond Halley's First Map of the Tides 1702; The Challenger reports from The British Challenger Expedition of 1872-76; The Tavistock Theodolite; The Sommerville Sounding Machine; The Tellurometer 1956 and Underwater Trilateration - North Sea in the early 1960s.