This journal provides immediate access to some articles. Volume 16(1); January 1930 Chemistry The Rate of Decomposition of Nitrogen Pentoxide at Very Low Pressures PMCID: PMC1075931 A New Equation of State for Fluids: IV. An Equation Expressing the Volume as an Explicit Function of the Pressure and Temperature PMCID: PMC1075932 Crystal Structures of Some Derivatives of Diphenyl PMCID: PMC1075933 The Temperature Coefficient of the Photochemical Formation of Hydrogen Chloride PMCID: PMC1075934 Mathematics Note on Range-Finding PMCID: PMC1075941 Applications of an Expansion Theorem to the Development of the Disturbing Function PMCID: PMC1075942 On Certain Polynomial and Other Approximations to Analytic Functions PMCID: PMC1075943 Groups Which Admit Two-Thirds Automorphisms PMCID: PMC1075944 Differential Geometries of Function Space PMCID: PMC1075945 Physics Ozone in Luminescence PMCID: PMC1075935 Geometrical Optics in Absorbing Media PMCID: PMC1075936 Recent Progress in the Dual Theory of Metallic Conduction PMCID: PMC1075937 Two Contradictions in Current Physical Theory and Their Resolution PMCID: PMC1075938 Theoretical Interpretation of Hyper-Fine-Structure in Singly Ionized Thallium, Tl II PMCID: PMC1075939 The Distribution of Light Intensity in a Fresnel Diffraction Pattern from a Straight Edge PMCID: PMC1075940 Physiology and Pathology The Light-Sensitive System as the Basis of the Photic Responses of Phycomyces PMCID: PMC1075930 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||