Difference between revisions of "Pre-Focus Cap"

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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.

Ch2 Fig26.jpg


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)

[[Category:2.3 Light Sources]

Contrast

Celsius (previously Centigrade)

Capacitance

charge current

Intensity

Illuminance

Energy

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM