Automatic lamp changer
id:
automatic-lamp-changer-0-8175026
title:
Automatic lamp changer
text:
An automatic lamp changer is a device used to ensure that a navigational light such as a marine lighthouse or aero beacon stays lit even if a bulb burns out. Numerous types exist. The common design elements are an array of two or more lamps, installed on a mounting which can rotate to various positions. Each position brings a different lamp into the focal point of an optical assembly. Since signal and navigational lights use sophisticated optics to focus the beam, lampchangers are designed to po
brand slug:
wiki
category slug:
encyclopedia
description:
Device to replace a failed light
original url:
https://en.wikipedia.org/wiki/Automatic_lamp_changer
date created:
date modified:
2024-03-09T10:27:29Z
main entity:
{"identifier":"Q4826574","url":"https://www.wikidata.org/entity/Q4826574"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/f/fe/Maughold-Head-Lighthouse-lampchanger-1.jpg","width":924,"height":810}
fields total:
13
integrity:
15