For he was in such want both of victualing for his men, and forage for his horses, that he was forced to feed the horses with sea-weed, which he washed thoroughly to take off its saltiness, and mixed with a little grass, to give it a more agreeable taste.
"Plutarch-Lives-of-the-noble-Grecians-and-Romans"
Clough, Arthur Hugh
Salt water is heavier than fresh water, hence the amount of saltiness of water may be known from its density or weight.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose
If the saltiness of the water be increased, the salinometer will rise in the water until, at 2 lbs.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose