Draft Survey Hydrometer Greta Creek Invaluable

Invaluable

general cosmetics

charts and pilots

WORKCOVER – Safework/Worksafe

South Pacific Ocean - Solomon Islands - Bougainville Island to Ghizo Island 1:300 000

Draft Survey Hydrometer Greta Creek InvaluableDraft 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