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Science, New Series, Vol. 112, No. 2910, Oct. 6, 1950


Previous Issue: New Series, Vol. 112, No. 2909, Sep. 29, 1950
Next Issue: New Series, Vol. 112, No. 2911, Oct. 13, 1950


Instrumentation for Radioactivity, pp. 377-381
George F. Pieper

The Reflecting Microscope, pp. 381-389
Robert C. Mellors

Amplifying and Intensifying the Fluoroscopic Image by means of a Scanning X-Ray Tube, pp. 389-395
Robert J. Moon

The Relations between Symbolic Logic and Large-Scale Calculating Machines, pp. 395-399
Edmund C. Berkeley

The Traveling-Wave Linear Accelerator, pp. 399-400
E. R. Wiblin


Technical Papers
Preparation of Radioactive Glass Beads, pp. 400-402
Walter Kisieleski; George Svihla; Austin M. Brues
Convenient Method of Mounting Sintered Glass Filters, pp. 402-403
Igor N. Asheshov
Standard Measures and the Economical Production of Graphs and Figures, pp. 403-404
Sterling P. Fergusson
A Miniature Pressure-Recording Device, pp. 404-405
Otto H. Gauer; Erich Gienapp
The Use of Thick Paper for Chromatography, pp. 405-406
J. Howard Mueller
Preparation of Thin Films of Crystalline DDT and γ -Hexachlorocyclohexane in Celloidin, pp. 406-407
D. P. Pielou
X-Radiation from Electron Microscopes, pp. 407-409
John H. L. Watson; Luther E. Preuss
A Low-Temperature Incubator, p. 409
Joseph C. Picken; Wallace R. Bauriedel


Book Reviews
----------------, p. 410
Analytical Absorption Spectroscopy: Absorptimetry and Colorimetry
M. G. Mellon
Review author[s]: Robert E. Torley
----------------, pp. 410-411
Das Polarisationsmikroskop als Messinstrument in Biologie und Medizin
Hans H. Pfeiffer
Chemische Spektralanalyse
Wolfgang Seith; Konrad Ruthardt
Review author[s]: K. W. Meissner
----------------, p. 411
Industrial Instrumentation
Donald P. Eckman
Review author[s]: Walter P. Wills
----------------, p. 411
Metallurgical Applications of the Electron Microscope
Review author[s]: Robert D. Heidenreich
----------------, p. 412
Biophysical Research Methods
Fred M. Uber
Review author[s]: Herbert Shapiro


News and Notes, pp. 413-418

Previous Issue: New Series, Vol. 112, No. 2909, Sep. 29, 1950
Next Issue: New Series, Vol. 112, No. 2911, Oct. 13, 1950



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