1928 supplement to U.S. Government master specification for lamps, electric, incandescent, large, tungsten filament.

Bibliographic Details

Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1927.
Series:	Fed. Specs. Bd. Spec. No. 23 b (supp.) Standards Bur. Circ. No. 13 (11th ed., supp.)
Subjects:	Electric lamps. Electronic books.
Online Access:	Connect to the full text of this electronic document