Electric lamps, United States Government master specification for lamps, 1928 supplement to United States Government master specification for lamps, electric, incandescent, large, tungscen filament, Federal Specifications Board Specification 23b, revision promulgated Nov. 23, 1927, officially promulgated by Federal Specifications Board, Feb. 15, 1923, for use of Departments and independent establishments of Government in purchase of large tungsten filament incandescent electric lamps. 11th [edition].
Publication Title:
Electric lamps, United States Government master specification for lamps, 1928 supplement to United States Government master specification for lamps, electric, incandescent, large, tungscen filament, Federal Specifications Board Specification 23b, revision promulgated Nov. 23, 1927, officially promulgated by Federal Specifications Board, Feb. 15, 1923, for use of Departments and independent establishments of Government in purchase of large tungsten filament incandescent electric lamps. 11th [edition].
Display Title:
Electric lamps, United States Government master specification for lamps, 1928 supplement to United States Government master specification for lamps, electric, incandescent, large, tungscen filament, Federal Specifications Board Specification 23b, revision promulgated Nov. 23, 1927, officially promulgated by Federal Specifications Board, Feb. 15, 1923, for use of Departments and independent establishments of Government in purchase of large tungsten filament incandescent electric lamps. 11th [edition].
Corporate Agency Authors:
Standards Bureau and Commerce Department
Sort Author:
Standards Bureau
Date:
Dec. 21, 1927
Publish Date ISO Format:
1927-12-21T00:00:00Z
Publication Start:
19271221
Publication End:
19271221
Corporate/Agency Author:
Standards Bureau
Publication month:
1
Publication year:
1927
SuDoc number:
C 13.4:13/11/supp.
Description:
4 p. large 8°
Notes:
(1928 supplement to Circular 13.) [Supersedes Federal Specifications Board Specification 23.]
Notes:
(1928 supplement to Circular 13.) [Supersedes Federal Specifications Board Specification 23.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.