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

Grande Pointe Au Sable Light Station

Lantern and fixtures

3rd

polygonal

8' 9"

8' 8 3/8"

vertical

69 3/4

one

one; 7 glass sides, 3 blind sides filled with sheet metal.

5/16"

31.5 x 69 3/4

not so fitted

3, 108 degrees

N & S to E'd

Cast iron frame, glass sides, roof, cast iron frame with copper covering, zinc lining under roof.

Cast iron ribs, covered with copper, lined inside with zinc.

copper, perforated for ventilation.

spindle attached to cowl.

1/2" diameter copper rod, fastened to lantern deck extends down east side of tower to
ground.

Upper gallery, liveable with glass sides, has small railing 18" high, deck 18" wide outside & 28" wide inside; Lower gallery 3' 6" wide, partly supported by cast iron brackets 3' 4' high.

Iron trap door from watchroom; Double inside doors & sing. outside storm door, leading from Watchroom to lower outside gallery hung with hinges & bolts for fasteners.

Cast iron plates on level with upper gallery, which is reached by iron stairs from watchroom floor, lens extends up thru this floor.

Iron trap door in floor of watchroom, from top of stairs.

Brick, 8' inside diameter.

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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