General instructions for the hydrographic surveyors of the royal navy 

 - 11th ed. 
 -  Hydrographic Department  1958 
 - 145p.  26cm 
 - Admiralty .
<br/><br/>Instruments and stores, books and stationery, correspondance and returns, field work, triangulation, soundings and chart datum, sailing directions, draughtsmanship, surveying assistants, special duties officers, surveying recorders, miscellaneous 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Hydrographic Surveyors
<br/><br/><label>Dewey Class. No.: </label>528.47  / GEN