Evening Republican, Volume 19, Number 40, Rensselaer, Jasper County, 16 February 1915 — Better Deep-Sea Soundings. [ARTICLE]

Better Deep-Sea Soundings.

A novel piezometer, claimed to give deep-sea soundings of much greater th»n the usual accuracy, i» due to A. Berget, a French physicist. The Instrument, eight inches long, consists of a reservoir of water, from which a long tube, one fiftieth of an inch in diameter, extends downward, and ‘communicates with an open side vessel of mercury. The tube, silvered inside, is graduated outside. Lowered in the sea, the pressure forces the mercury up the tube, where it dissolves the •Over, showing the degree of comprea-