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Science, New Series, Vol. 110, No. 2858, Oct. 7, 1949


Previous Issue: New Series, Vol. 110, No. 2857, Sep. 30, 1949
Next Issue: New Series, Vol. 110, No. 2859, Oct. 14, 1949


Is There a Science of Instrumentation?, pp. 339-342
E. U. Condon

Operational Aspects of Instrument Design, pp. 343-346
Churchill Eisenhart

Reports of Meetings on Instrumentation, pp. 347-353+383


Summaries of Selected Papers Presented at the 1949 National Instrument Conference
A Mass Spectrometer for Isotope Ratio Determinations, pp. 354-355
H. F. Wiley
The Photographic Plate as an Instrument in Nuclear Research Autoradiography and Radiation Monitoring, pp. 355-356
J. H. Webb
Industrial Radar for Hurricane Tracking, pp. 357-360
W. F. Gerdes; R. C. Jorgensen
Cosmic Ray Instrumentation, pp. 360-361
R. D. Sard
Dynamic Accuracy in Temperature Measurement, pp. 361-363
J. G. Ziegler; N. B. Nichols
Velocity and Flow Measurements with an Improved Thermal Instrument, p. 363
C. E. Hastings
Light Rays Can Be Tools, pp. 364-365
A. R. Fultz
The Differential Transformer as Applied to Instrumentation, pp. 365-368
W. D. Macgeorge


Summaries of Selected Papers on Instrumentation Presented at the 1949 Gordon Research Conferences
X-Ray Powder Diffraction Analysis Film and Geiger Counter Techniques, pp. 368-371
William Parrish
Two Radioactive Methods for Studying Certain Gas-Metal Reactions, pp. 371-372
Clifford K. Beck
Instrumental Methods of Studying Some Properties of Aerosols, pp. 372-374
Frank T. Gucker
A Contact Modulated Amplifier and Some of Its Laboratory Uses, pp. 374-375
Joseph F. Lash


Technical Papers
Radiation Survey of X-Ray Output of an Electron Microscope from Personnel Hazard Viewpoint, pp. 376-377
Louis B. Silverman; Sylvia B. Elliott; M. A. Greenfield
Airborne Magnetometer for Measuring the Earth's Magnetic Vector, pp. 377-378
E. O. Schonstedt; H. R. Irons
Avoiding Trial-And-Error in Inframicroscopic Photography, pp. 378-379
E. Ross Jenney
Improvements in the Making of Special Photographic Emulsions for Nuclear Physics, p. 380
Pierre Demers
Sensitivity of Gamma-Ray Counters, pp. 380-382
Gerald J. Hine
Adapter for Visual Monitoring with Portable Geiger-Müller Equipment, pp. 382-383
Howard T. Blinn; Russell F. Cowing; Charles K. Spalding


News and Notes, pp. 384-386

Previous Issue: New Series, Vol. 110, No. 2857, Sep. 30, 1949
Next Issue: New Series, Vol. 110, No. 2859, Oct. 14, 1949



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