Physical Review Volume 55 Second Series Number 4 — February 15, 1939

Softbound Journal. Fair+/Good– Name written on front cover; notations upper corner of first article, otherwise text is clean & unmarked; yellowing with age. Handling wear & soiling along spine; some chipping of spine top. 323-424. Features several articles:
Efficiency of Production of Short Range Particles from Lithium and of 4.4-cm Alpha-Particles from Boron Under Proton Bombardment
Ralph B. Bowersox
On Interpreting Related Magnetic Moments of Light Nuclei
D. R. Inglis
The Emission of Secondary Electrons from Metals Bombarded with Protons
James S. Allen
The Scattering of Slow Neutrons by Gaseous Ortho- and Parahydrogen: Spin Dependence of the Neutron-Proton Force
W. F. Libby and Earl A. Long
Atomic Electron Velocities in Nitrogen and Methane
A. L. Hughes and Merle A. Starr
Scattering of Fast Electrons in Gases
A. L. Hughes
Sodium-Like Spectra of Potassium, Calcium and Scandium
P. Gerald Kruger and L. W. Phillips
The Spectrum of Tin Hydride at High Pressure
William W. Watson and Ralph Simon
A General Solution for the Equations of Natural Line Breadth
Lyman Spitzer, Jr.
Static Solutions of Einstein's Field Equations for Spheres of Fluid
Richard C. Tolman
On Massive Neutron Cores
J. R. Oppenheimer and G. M. Volkoff
The Mechanism of the Positive Point-to-Plane Corona in Air at Atmospheric Pressure
G. W. Trichel
Use of Interference to Extinguish Reflection of Light from Glass
Katharine B. Blodgett
Effect of Quartz Filters on the Distribution of Energy in Laue Patterns
Gerald W. Fox and Dean W. Stebbins