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Ionospheric Radio Propagation
From Preface: "The purpose of this book is to replace, in part, a previous publication of the National Bureau of Standards (Circular 462) with the same title. The scope of the present work has therefore been broadened to include aspects of ionospheric radio propagation which were not treated in earlier publication."
Date:
April 1, 1965
Creator:
Davies, Kenneth
System:
The UNT Digital Library
Testing of Metal Volumetric Standards
From Purpose: "The specifications and tolerances contained in this Monograph should be of assistance to purchasers of metal capacity standards. The information on methods of calibration and use of these measures should prove valuable to weights and measures officials and those persons in industry who are concerned with measurements of volumes of fluids."
Date:
April 1, 1963
Creator:
Hughes, J. C. & Keysar, B. C.
System:
The UNT Digital Library