Lantern and Fixtures

Order of Lantern:

Shape of Lantern:

Diameter to glass:

Diameter in the clear:

Number of sides:

Type of bars:

Thickness of bars:

Height glazed:

Number of plates in height:

Number of plates each side:

Thickness of plates:

Size of plates:

Number of storm panes:

Unglazed side of lantern:

what bearings:

Construct Material Lantern:

Construct Material roof / cowl:

Ventilator / cowl:

Lightning spindle:

Desc of Lightning rod:

Balustrade:

Lantern doors:

Floor of lantern:

Watchroom doors:

Diameter parapet:

Lighthouse Inspection Reports Database

Isle Royale Light Station

Lantern and fixtures

4th

Polygonal

8' 11.5"

Vertical

39.5"

5/16"

40" x 27"

None

All sides glazed

Upper & lower parts of cast iron, lower part is lined inside with vertical wood ceiling.

Cast iron, pyramidal done, lined inside with sheet zinc. Small tin cone lens protector is attached to roof.

Cast iron.

Copper with platinum tip.

A 2" x 1/8" copper strip is attached to balcony floor & runs down outside of tower, over rocks into lake.

2 rails; upper is a 2" x 1/2" iron bar. lower is a 2.5" x 3/8" iron bar, vertical stanchions with ball tops. Floor is cast iron & octagonal in plan.

Single fold cast iron door leads into lower part of lantern fron outside balcony.

Cast iron floor, Iron trap door leads to stair.

No watch room.

6' 7"

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

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