osmograph
Os"mo*graph, n. [Osmose + -graph.] (Physics) Defn: An instrument for recording the height of the liquid in an endosmometer or for registering osmotic pressures.
Os"mo*graph, n. [Osmose + -graph.] (Physics) Defn: An instrument for recording the height of the liquid in an endosmometer or for registering osmotic pressures.