Difference between revisions of "Pre-Focus Cap"
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{{languages|Pre-Focus Cap}} | {{languages|Pre-Focus Cap}} | ||
[[Category:2.3 Light Sources] | [[Category:2.3 Light Sources]] | ||
[[Category:Alphabetical Index]] | [[Category:Alphabetical Index]] | ||
[[Category:IALA Dictionary 1970-89 Edition]] | [[Category:IALA Dictionary 1970-89 Edition]] |
Revision as of 00:07, 25 February 2009
2-3-130
A cap (type P) which enables the luminous element to be brought into a specified position relative to the cap during manufacture of the lamp.
By this means, reproducible positioning can be assured when the lamp is inserted in a suitable lampholder.
Note: A Flanged Cap (Culot a Ailettes in French; Flanschsockel in German) is a particular type of pre-focus cap.
Reference: C.I.E. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)