178a.    BEECK, O., COLE, W. A., AND WHEELER, A.  Determination of Heats of Adsorption Using Metal Films.  Disc., Faraday Soc., 1950, No. 8, pp. 314-321; Chem. Abs., vol. 45, 1951, p. 9990.

                   A calorimeter is described for heats of adsorption of H₂ as a function of fraction of surface covered for Ni and Fe films at room and liquid-air temperatures.  A criterion for mobility of adsorbed layers is presented.

                   BEECK, O., GIVENS, J. W., AND RITCHIE, A. W.  Adsorption of Hydrogen on Nickel Catalysts.  II.  Sorption Isobars from 20° K. to Room Temperature.  See abs. 180.