- Publication Title:
- Illumination. Color of illuminant and efficiency of worker.
- Display Title:
- Illumination. Color of illuminant and efficiency of worker.
- Corporate Agency Authors:
- National Bureau of Standards
- Sort Author:
- National Bureau of Standards
- Date:
- Jan. 6, 1940
- Publish Date ISO Format:
- 1940-01-06T00:00:00Z
- Publication Start:
- 19400106
- Publication End:
- 19400106
- Corporate/Agency Author:
- National Bureau of Standards
- Publication month:
- 12
- Publication year:
- 1940
- SuDoc number:
- C 13.16:581
- Description:
- 4 p. 4°
- Notes:
- (Letter circular LC-581.) [Processed. Supersedes LC-352.]
- Notes:
- (Letter circular LC-581.) [Processed. Supersedes LC-352.] † Distribution Made by Issuing Office.
- Availability:
- † Distribution Made by Issuing Office.
- Monthly Catalog date:
- February 1940
- Monthly Catalog issue number:
- 542
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1940-02-01T00:00:00Z
- Record start page number:
- 161