Cruciform Filament
Jump to navigation
Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
2-3-205
A filament composed of two grid filaments at the same light-centre-length, intersecting symmetrically at right angles along the axis of the lamp.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)