- Publication Title:
- Frequency (radio). Weekly radio broadcasts of National Bureau of Standards on ionosphere and radio transmission conditions.
- Display Title:
- Frequency (radio). Weekly radio broadcasts of National Bureau of Standards on ionosphere and radio transmission conditions.
- Corporate Agency Authors:
- National Bureau of Standards and Commerce Department
- Sort Author:
- National Bureau of Standards
- Date:
- May 15, 1937
- Publish Date ISO Format:
- 1937-05-15T00:00:00Z
- Publication Start:
- 19370515
- Publication End:
- 19370515
- Corporate/Agency Author:
- National Bureau of Standards
- Publication month:
- 8
- Publication year:
- 1937
- SuDoc number:
- C 13.16:499
- Description:
- 9 p. 2 pl. 4°
- Notes:
- (Letter circular LC499.) [Processed.]
- Notes:
- (Letter circular LC499.) [Processed.] † Distribution Made by Issuing Office.
- Availability:
- † Distribution Made by Issuing Office.
- Monthly Catalog date:
- June 1937
- Monthly Catalog issue number:
- 510
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1937-06-01T00:00:00Z
- Record start page number:
- 701