Cape Bonavista Lamps

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Postby island » Fri Jan 18, 2013 10:03 pm

Last edited by island on Sun Jan 20, 2013 11:15 pm, edited 1 time in total.
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Postby MontaukPoint » Sat Jan 19, 2013 8:02 am

Does anyone know why Cape Bonavista was never 'upgraded' from this reflector system to a Fresnel lens?
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Postby island » Sun Jan 20, 2013 5:19 pm

From reading the history of this light, the original sixteen lamp lighting apparatus was well worn and judged needing prompt replacement. The lead time from ordering to receiving a new Fresnel lens was as long as a year to two years depending on the order of the lens and if fixed or rotating. This lighthouse exhibited an alternating red and white flash pattern thus requiring a rotating lens multiple flash lens. It is my guess that instead of waiting and at less cost than for a revolving Fresnel and with new lamp and new clockwork they installed previously used six lamp Argand lighting appratus that was readily available from having been replaced at a lighthouse in Scotland.

Aside from this conjecture I have no clue as to why not a Fresnel.

As a matter of interest the red was created by a red glass chimney as opposed to the clear chimney for white. The chimneys were not in place in the lamp photo above. I saw an image of the lamp chimneys of this light but can not seem to locate it.
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Postby island » Tue Jan 22, 2013 9:50 pm

Cape B red lamp chimney and clockwork.
Images from: Cape Bonavista Lighthouse Provincial Historic Site (link below)

Cape B is a living history lighthouse
and lots of neat photos on this website..
cape b red chimney.JPG
cape b red chimney.JPG (60.4 KiB) Viewed 3354 times
cape b clockwork 1.JPG
cape b clockwork 1.JPG (194.02 KiB) Viewed 3354 times
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