This journal provides immediate access to some articles. Volume 14(8); August 1928 Chemistry The Thermal Decomposition of Ammonia upon Mixed Surfaces of Tungsten and Platinum PMCID: PMC1085646 The Crystal Structure of Topaz PMCID: PMC1085647 The Intensive Drying of Liquids PMCID: PMC1085648 A Progression Relation in the Molecular Spectrum of Oxygen Occurring in the Liquid and in the Gas at High Pressure PMCID: PMC1085649 The Heat of Dissociation of Oxygen as Estimated from Photochemical Ozonization PMCID: PMC1085650 The Crystal Structures of the Alkaline Earth Metals PMCID: PMC1085651 Mathematics On Derivatives of Non-Analytic Functions PMCID: PMC1085657 Radiation and Relativity: II PMCID: PMC1085658 Concerning Plane Closed Point Sets Which Are Accessible from Certain Subsets of Their Complements PMCID: PMC1085659 Incomplete Systems of Partial Differential Equations PMCID: PMC1085660 Physics Reflection and Refraction of Electrons by a Crystal of Nickel PMCID: PMC1085652 Oscillations in Ionized Gases PMCID: PMC1085653 Evidence That the Cosmic Rays Originate in Interstellar Space PMCID: PMC1085654 The Displacement Interferometry of Barometric Pressure PMCID: PMC1085655 The Structure of Acetylene PMCID: PMC1085656 Physiology Preliminary Note on the Elastic Hysteresis of the Human Aorta PMCID: PMC1085662 Zoölogy The Effect of Temperature on the Viability of Superfemales in Drosophila Melanogaster PMCID: PMC1085661 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||