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

Alcatraz Light Station - 1915

Lantern and fixtures

4th

cylindrical

7' 7.42"

helical

7/8"

2' 11.5"

2 & 1 alternately

1/4"

varied, see std. 4th order lantern

All sides glazed

Iron & brass

iron

iron, platinum point

Iron

1, iron, on hinges opening out.

iron

open hatch

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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