Analysis of diaphragm system for the X-ray standard ionization chamber
By: by Lauriston S. Taylor.
Publisher: U. S. Govt. print. off.
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 827
Subjects: X-rays; Ionization of gases
Notes: Running title: Ionization chamber diaphragms.

With : A course-shift indicator for the double-modulation type radiobeacon / by H. Diamond and F. W. Dunmore.  Washington : U. S. Govt. print. off., 1929.  Bound together subsequent to publication.