Difference between revisions of "Light-Centre-Length"

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The distance between the geometric centre of the luminous element and a specified plane of location on a cap.
The distance between the geometric centre of the luminous element and a specified plane of location on a cap.


[[Image:Ch2_Fig27.jpg|400px|border]]
[[Image:Ch2_Fig27.jpg|400px]]





Revision as of 12:00, 25 February 2009

2-3-200

Light-Centre-Length (of an incandescent electric lamp or discharge lamp)

The distance between the geometric centre of the luminous element and a specified plane of location on a cap.

Ch2 Fig27.jpg




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)