Draft Survey Hydrometer Hay Point A perfect cap for skippers

A perfect cap for skippers and captains or those who want the nautical theme

how to read charts created by other governments

surveyors and insurers

Asia and Australia

Draft Survey Hydrometer Hay Point A perfect cap for skippersDraft Survey Hydrometer by Zeal in the United Kingdom is suitable for use in sea or fresh water. It was specially designed in collaboration with S. G. S. Van Bree N. V., Antwerp, member of the Societe Generale de Sur veillance S. A. Geneva, to ensure that when carrying out a Draft Survey on cargo carrying vessels the weight to volume relationship of the supporting water was precisely measured and accurately reported. Not all hydrometers are