PUBLICATIONS AND REPORTS MEETING PAPERS PRESENTED Conference on Gaseous Electronics, General Electric Research Lab. October 4-6, 1951, Schenectady, New York Arthur V. Phelps: Helium Discharge Positive Ions in the Afterglow of a Low Pressure National Electronics Conference October 22-24, 1951, Chicago, Illinois J. Francis Reintjes: An Analog Electronic Correlator Optical Society of America October 22-25, 1951, Chicago, Illinois Gilbert W. King: Spectroscopy from the Point of View of Communication Theory Part II. Line Widths AIEE, Boston Section October 23, 1951, Boston, Massachusetts R. M. Fano: Information Theory American Physical Society October 25-27, 1951, Chicago, Illinois Joseph T. Eisinger, Benjamin Bederson: The Nuclear Moment and Hyperfine Structure Anomaly of K 4 0 Gilbert W. King: Biased Random Walks in Classical, Statistical and Quantum Mechanics American Physical Society, New England Section November 3, 1951, Trinity College, Hartford, Connecticut M. A. Herlin: Propagation of Second Sound in Liquid Helium II Section of Physics and Chemistry, N. Y. Academy of Sciences November 9, 1951, New York M. W. P. Strandberg: Centrifugal Distortion AIEE-IRE Lecture Series November 19, 1951, New York R. M. Fano: Communication in the Presence of Noise American Physical Society December 27-29, 1951, Berkeley, California H. R. Johnson: Resolution and Sensitivity of Microwave Spectrographs -ix- JOURNAL ARTICLES ACCEPTED FOR PUBLICATION P. T. Demos, A. F. Kip, J. C. Slater: Electron Accelerator (J. A. P.) The M.I.T. Linear J. R. Eshbach, R. E. Hillger, M. W. P. Strandberg: The Nuclear Magnetic Moment of S 3 3 From Microwave Spectroscopy (Phys. Rev.) L. C. Maier, Jr., J. in Resonant Cavities C. Slater: Field Strength Measurements (J. A. P. ) L. C. Maier, Jr., J. C. Slater: Determination of Axial Field Strength in a Linear Accelerator Cavity (J. A. P. ) E. R. Piore, G. G. Harvey, E. M. Gyorgy, R. H. Kingston: A High-Vacuum Recording Spectrograph for the Study of Radiation from Solids in the 100-800A Range (R.S.I.) J. R. Terrall, J. C. Slater: Accelerator (J. A. P. ) Particle Dynamics in the Linear Gilbert W. King: Monte Carlo Method for Solving Diffusion Problems (Ind. Eng. Chem.) L. D. Smullin: Propagation of Disturbances in Accelerated Electron Streams. I. One-Dimensional Accelerated Streams (J. A. P.) J. R. Eshbach, M. W. P. Strandberg: Rotational Magnetic Moments of 1 E Molecules (Phys. Rev.) LETTERS TO THE EDITOR ACCEPTED FOR PUBLICATION B. V. Gokhale, M. W. P. Strandberg: Line Breadths in the 5-mm Microwave Absorption of Oxygen (Phys. Rev.) John Gordon King, Vincent Jaccarino: The Hyperfine Structure of (Phys. Rev.) 2P1/2 State of the Stable Chlorine Isotopes M. Tinkham, R. Weinstein, A. F. in Liquids (Phys. Rev.) Kip: Paramagnetic Resonance TECHNICAL REPORTS PUBLISHED (The technical reports listed here may be obtained from the Document Office, 20-B-221, Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge 39, Massachusetts.) No. 180 R. E. Hillger, M. W. P. Strandberg: Centrifugal Distortion in Asymmetric Molecules II. HDS No. H. R. Johnson, M. W. P. Spectrum of Ketene 192 Strandberg: The Microwave TECHNICAL REPORTS PUBLISHED (continued) R. H. Kingston: A Spectroscopic Study of the Electronic Structure of Potassium and Calcium No. 193 No. 196 William L. No. 198 R. B. Adler, S. J. Air Traffic I Fricker: The Flow of Scheduled No. 199 R. B. Adler, S. J. Air Traffic II Fricker: The Flow of Scheduled No. 202 William L. No. 203 Simplified FM Transient Response Hatton: Hatton: Pre-emphasizing Video Signals P. T. Demos, A. F. Kip, J. Linear Electron Accelerator No. 204 J. R. Terrall, J. C. Linear Accelerator Slater: C. Slater: The M.I.T. Particle Dynamics in the No. 205 L. C. Maier, Jr., J. C. Slater: Determination of Axial Field Strength in a Linear Accelerator Cavity No. 207 L. D. Smullin: Propagation of Disturbances in Accelerated Electron Streams. I. One-Dimensional Accelerated Streams No. 210 W. P. Allis, Sanborn C. Brown, Edgar Everhart: Electron Density Distribution in a High Frequency Discharge in the Presence of Plasma Resonance No. 211 Arthur V. Phelps, O. T. Fundingsland, Sanborn C. Brown: Microwave Determination of the Probability of Collision for Slow Electrons in Gases No. 213 Robert Price: Wide Range An FM-AM Multiplier of High Accuracy and - xi-