Difference between revisions of "Light Valve"
Jump to navigation
Jump to search
| (One intermediate revision by one other user not shown) | |||
| Line 12: | Line 12: | ||
[[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 03:47, 3 February 2024
2-4 155
Alternative term: Sun Valve
A device, operated by daylight, that automatically lights and extinguishes a gas light, usually lighting it at or about sunset and extinguishing it at or about sunrise.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
