W-L-101H (SUPPLEMENT 1), FEDERAL SPECIFICATION: LAMP, INCANDESCENT (ELECTRIC, LARGE TUNGSTEN-FILAMENT) (GENERAL SPECIFICATION) (8 FEB 1979)
W-L-101H (SUPPLEMENT 1), FEDERAL SPECIFICATION: LAMP, INCANDESCENT (ELECTRIC, LARGE TUNGSTEN-FILAMENT) (GENERAL SPECIFICATION) (8 FEB 1979).