An instrument for indicating the proportion of salt in a given quantity of water. It indicates the saline content 1/32 to 4/32 for boiler water or 1,000 to 1,040 for sea water. Available in glass or brass material.
An instrument for indicating the proportion of salt in a given quantity of water. It indicates the saline content 1/32 to 4/32 for boiler water or 1,000 to 1,040 for sea water. Available in glass or brass material.