Difference between revisions of "Cruciform Filament"

Latest revision as of 10:01, 1 March 2009

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)

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