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

Alpena Light Station

Lantern and fixtures

4th

 

Polygonal

 

7' 0.5"

 

 

 

10

 

Vertical

 

 

 

2'11.5"

 

1

 

1

 

5/16"

 

2'2.5" x 2'11.75"

 

None.

 

4 plates of 36 degrees each.

 

 

 

Parapet of cast iron outside & lined with vertical wood ceiling inside.

 

10 side pyramidal roof, upper plates outisde & lined with sheet zinc inside, a tin cone lens protector is suspended from the roof by 4 small chains.

 

Copper.

 

Copper with platinum point.

 

A 3/4" iron pipe leads from base of parapet down outside of tower & into the water below the crib.

 

Top & bottom rail of 4x4 wooden pieces, circ. wooden stanchions with ball tops, gallery sq. in plan with corners cut off, wooden joists & flooring.

 

A cast iron door leads from lantern to gallery, door is in parapet.

 

Wooden joists covered with wooden flooring; under side ceilind with wood

 

No watch room.

 

6' 8.25"

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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