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.

Report Sections:

Premises | Lantern and Fixtures | Ventilators and Watchroom | Illuminating Apparatus | Closets and Storerooms

 

Fog Signal General | Fog Signal Equipment | Dwelling | Asst. Keepers Dwellings | Water | Healthfulness

 

Lighthouse Access | Station Boat Info | Tools and Accessories | Light Vessel Specific | Inspection Reports

 

Supplemental Reports

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