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Author Topic: lamp used on a lightship  (Read 4576 times)

Offline fluorite

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lamp used on a lightship
« on: November 13, 2018, 02:55:42 AM »
I don't understand the structure of a lightship,
what type of lamp did they used on a lightship ?
did they have a mercury pool under the glass lamp ?
when the ship is shaking, the mercury pool also shaking ?
Do you know ?

Offline mitko

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Re: lamp used on a lightship
« Reply #1 on: November 13, 2018, 11:35:20 PM »
Good question, i think they could use Ball bearing instead
Best regards,
Dmitry