Kind of Apparatus:
Intensity in Candles:
Name of Maker:
Year Made:
Marks and Number:
Order of Apparatus:
Inside Diameter:
Light Characteristic:
Time of revolution:
Flash interval:
Duration of flash:
Arc of each fixed part:
Number of panels:
Number of flash panels:
Arc of each:
Number of elements in
central drum:
Number of prisms above
central drum:
Number of prisms below
central drum:
Does Apparatus revolve?:
Is there a Revolving Belt:
Revolving panels:
How is flash produced:
Num of Vertical elements panel:
Fixed lens covered:
Pedestal:
Service Table:
Draft Tube description:
Lighthouse Inspection Reports Database
Big Bay Point Light Station
Illuminating Apparatus page 1 of 2
Henry Lepaute.
1886
None.
3rd
3' 3.5"
Fixed white varied by a white flash every 20 seconds.
Flash panels revolve once in 80 seconds.
20 seconds.
Lens is fixed - 4 panels of 90 degrees each.
4
each panel subtends an arc of 46 degrees 40'
13
11
4
4
Clock work drives a horizontal spur gear which is attached to cast iron frame which supports the flash panels.
7
Central drum only.
Pedestal of cast iron bolted to the lantern floor.
None.
A damper flue of Russia iron leads from chimney of lamp up through lens & into lens protector & thence into ventilator ball at top of roof.
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