- Publication Title:
- Spectacles. Spectral-transmissive properties and use of colored eye-protective glasses.
- Display Title:
- Spectacles. Spectral-transmissive properties and use of colored eye-protective glasses.
- Corporate Agency Authors:
- National Bureau of Standards and Commerce Department
- Sort Author:
- National Bureau of Standards
- Date:
- Oct. 18, 1944
- Publish Date ISO Format:
- 1944-10-18T00:00:00Z
- Publication Start:
- 19441018
- Publication End:
- 19441018
- Corporate/Agency Author:
- National Bureau of Standards
- Publication month:
- 3
- Publication year:
- 1944
- SuDoc number:
- C 13.16:769
- Description:
- 2 p. 4°
- Notes:
- (Letter circular LC769.) [Processed, Supplementary to Circular C-421.]
- Notes:
- (Letter circular LC769.) [Processed, Supplementary to Circular C-421.] † Distribution Made by Issuing Office.
- Availability:
- † Distribution Made by Issuing Office.
- Monthly Catalog date:
- December 1944
- Monthly Catalog issue number:
- 599
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1944-12-01T00:00:00Z
- Record start page number:
- 1358