Yet the specific Gravities of wood and iron have not altered, and a log of wood floats while a lump of iron sinks, just the same as they did in the days of Drake and Frobisher.
"The Law and the Word"
Thomas Troward
Did any one ever have a baby like it, so fat and round and white, with its head already covered with faint golden silk, its eyes grey and wondering-with its sudden Gravities, its amazing joys and terrific humour, the beauty of its stepping away, as it did, suddenly without any warning, behind a myriad mists and curtains, into some other land that it knew of.
"Fortitude"
Hugh Walpole
"A paralysis that hits you when you change from very weak to very strong Gravities or vice versa, too often.
"The World with a Thousand Moons"
Edmond Hamilton