Draft Survey Hydrometer Quilpie Its relevance is as a

Its relevance is as a contemporary marine safety guide that will benefit those involved in vessel operations

Learning to care for this valuable possession is part of the thrill of owning one

Communications & Equipment

PT907 - Duke of York Island

Draft Survey Hydrometer Quilpie Its relevance is as aDraft 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