859.    EYRAUD, I.  [Automatic Adsorption Balance.]  Jour. Chim. Phys., vol. 47, 1950, pp. 104-107; Chem. Abs., vol. 44, 1950, p. 7095.

     Details of construction for a sensitive adsorption balance capable of automatically recording and plotting a curve for the rate of adsorption of a gas by a solid.