Rumford, Benjamin, Graf von, 1753-1814, American Academy of Arts and Sciences · Boston · leaf 374
PLATE II. … in Fluids. 335 bottom of a tall glass jar was thawed by hot water stand-ing on its surface. a^ is an earthen bowl filled with pounded ice andwater, in which the glass jar, b^ was placed. c, d, is the level of the upper surface of the ice in thejar. d, y, is the level of the surface of the water…
