Pre-Focus Cap: Difference between revisions
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By this means, reproducible positioning can be assured when the lamp is inserted in a suitable lampholder. | By this means, reproducible positioning can be assured when the lamp is inserted in a suitable lampholder. | ||
[[Image:Ch2_Fig26.jpg|400px]] | [[Image:Ch2_Fig26.jpg|400px|border]] | ||
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[[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 15:19, 3 February 2024
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)
