Cruciform Filament

From International Dictionary of Marine Aids to Navigation
Revision as of 10:01, 1 March 2009 by Oferiks (talk | contribs) (1 revision)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

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.

Ch2 Fig28.jpg




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)