Michelot was a pilot in the French service. The work is a portolan, or a text with sailing instructions, for the Western Mediterranean only. Michelot’s hydrographical work influenced a number of later cartographers, in particular Joseph Roux and his successors.
Directions For The Mediterranean Pilot, Along The Coasts Of Spain, Provence, Italy, the Islands of Ivica, Majorca, Minorca, Corsica, Sicily, &c. ... The Whole being collected from Observations made upon the Spot, By Henry Michelott, Pilot on Board the King of France’s Gallies. Translated from the French, ... By John Adams, Teacher of the Mathematics at Edmonton. London: Printed for Mount and Page, on Tower-Hill, M,DCC,LXXX,VIII.