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 - 1907
Lantern and fixtures
4th
cylindrical
8' 4"
10
vertical
5' 4.5"
2
2
1/4"
Upper: 2' 7.5" x 2' 3"; Lower: 3' 3/4" x 2' 7.5"
4
All sides glazed
Iron, copper & brass
copper
3' high
none
none
Iron
1, iron, on hinges opening out.
Stone & brick
no watchroom
7' 10
Report Sections:
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