Difference between revisions of "Occulting Hood"
Jump to navigation
Jump to search
m (1 revision) |
|||
| Line 16: | Line 16: | ||
[[Category:Alphabetical Index]] | [[Category:Alphabetical Index]] | ||
[[Category:IALA Dictionary 1970-89 Edition]] | [[Category:IALA Dictionary 1970-89 Edition]] | ||
[[Category:IALA Dictionary 2023 Revision]] | |||
Latest revision as of 13:06, 3 February 2024
2-4-110
(Occulting) Hood
An opaque cover brought down over the light source in an optical apparatus to obscure it for a short period.
Most commonly used in occulting lights and in signalling projectors.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
