Illuminating Apparatus

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

Round Island Light Station - 1909

Illuminating Apparatus page 1 of 2

Henry LePaute, Paris

4th

19 5/8"

Fixed white varied by red flash

40 sec

20 sec

4 panels fixed, each 90 degrees - 360 degrees

40 degrees 30' subtended at the focus.

Fixed; Central belt & 3 elements above & below.

Fixed: 6

Fixed: 3

yes

Two panels of vertical elements attached to lens apparatus outside fixed lens and revolving with it.

Central belt & 2 elements each side.

Whole height of lens.

Old pattern cast iron

Cast iron & attached to pedestal & supporting clockwork.

None.

Report Sections:

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

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

Supplemental Reports

Return to Round Island 1909 Main Page

Return to Michigan Menu

Return to States Menu

Illuminating apparatus page 2