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
Grassy Island Upper Range Light Station
Lantern and fixtures
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4th
polygonal
6' 2"
6'
8
vertical
36"
one
one
1/4"
30" x 36"
Lantern is not so fitted
none
Wooden parapet; Cast iron astragals, sill & cornice.
sheet copper
copper
copper, with platinum tips
3/4" dia. iron rods, leading from lantern frames down outside of tower, into water.
1" pipe rail balustrade, wooden platform bolted to tower, square on plan.
Wooden doors, hinged to parapet walls, to swing out.
wooden construction, pine, painted.
wooden trap doors, hinged to floor.
Polygonal 6' 2" inscribed dia.