- Publication Title:
- Frequency (radio). Standards of frequency and musical pitch broadcast by National Bureau of Standards; [revised to] May 1, 1940.
- Display Title:
- Frequency (radio). Standards of frequency and musical pitch broadcast by National Bureau of Standards; [revised to] May 1, 1940.
- Corporate Agency Authors:
- National Bureau of Standards and Commerce Department
- Sort Author:
- National Bureau of Standards
- Date:
- [1940.]
- Publish Date ISO Format:
- 1940-01-01T00:00:00Z
- Publication Start:
- 19400101
- Publication End:
- 19401231
- Corporate/Agency Author:
- National Bureau of Standards
- Publication month:
- 13
- Publication year:
- 1940
- SuDoc number:
- C 13.16:591
- Description:
- Cover title, 5 p. 4°
- Notes:
- (Letter circular LC 591.) [Processed. Replaces Letter circular 565.]
- Notes:
- (Letter circular LC 591.) [Processed. Replaces Letter circular 565.] † Distribution Made by Issuing Office.
- Availability:
- † Distribution Made by Issuing Office.
- Monthly Catalog date:
- July 1940
- Monthly Catalog issue number:
- 547
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1940-07-01T00:00:00Z
- Record start page number:
- 1029