W-L-101H, FEDERAL SPECIFICATION: LAMP, INCANDESCENT (ELECTRIC, LARGE TUNGSTEN-FILAMENT) (GENERAL SPECIFICATION) (6 DEC 1977)

W-L-101H, FEDERAL SPECIFICATION: LAMP, INCANDESCENT (ELECTRIC, LARGE TUNGSTEN-FILAMENT) (GENERAL SPECIFICATION) (6 DEC 1977)., All lamps covered by this specification are large tungsten-filament incandescent electric lamps. "Large" lamps designation, broadly, lamps regularly fitted with other than miniature bases.