Report for Prudence Island (Rhode Island) - 1880

District: 3rd
Inspector: Genl. J.C. Duane, Engineer, 3rd LH Dist.
Location: On Sandy point E side Prudence Island, RI.
Date of Report: 03/03/1880
Latitude: 41° 36' 27"
Longitude: 71° 18' 30"
Date of Reservation:
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 1 acre
Area Inclosed:
Character of Soil: Gravelly frequently entirely underwater
Distance of tower from Nearest High-Water Mark: 83'
Inclosures to Premises / Type of Fence: None - fences damaged by high tide.
Wharf or Landing on Premises: None - easy landing on beach
Road to Land or Wharf Chararacter of and Distance: None
Means to Reach Light Station: From Providence or Newport by steamboat - from Coalmine Station on the Newport & Fall River RR by a small boat.
Distance to Nearest Road: To nearest public road 3/4 mile; to nearest RR station 1.5 miles; to nearest steamboat landing 1 1/4 miles; to Coalmine station 3 miles.
Distance to Post Office: 8 miles to Bristol; 3 to Coalmine Station.
Distance to Village: 8 miles to Bristol; 3 to Coalmine Station.
Facilities for Public Conveyance: None
Facilities for Private Conveyance: By boat from Coalmine Station on the Newport & Fall River RR - 3 miles.
Means Used for Support of Lantern: Tower
Number of Separate Lights: 1
First Built or Established: 1852
Last Rebuilt, Repaired, or Renovated: 1855-56
Condition at This Date:
Shape of Tower in Plan: Octagonal
Form of Tower:
Height from Base to Ventilator Ball: 25' to focal plane
Height of Focal Plane Above Mean High Water: 30'
Background of Lighthouse as Seen from Sea: Sky
Color of Tower: White
Color of Tower/ How Produced: Whitewashed
Tower Connection: Detached about 190' distant
Object of Navigation: Channel to guide to Fall River, local.
Building Materials: Cut granite on a protecting pier of stone, 3' high at circumference, 5' at centre.
General Description:
Wall Thickness at Base: 2' 2"
Wall Thickness at Parapet: 1' 8"
Diameter at Base: 8'
Diameter at Parapet: 4' 11"
Kind of Stairway and Steps: Stone stairway - iron ladder from upper landing to lantern.
Number of Landings: 1
Size of Glass: 8 3/4" x 17" & 6 3/4" x 12 3/4"
Number of Windows and Size of Sash: 2 square windows, 1' 9.5" x 3' 3" & 1' 5" x 2' 5.25"
Number of Doors: 1
Kind of Foundation and Depth Below Surface: Stone pier circular in shape.
Character of Soil Surrounding the Lighthouse: Sand & gravel
Soil Susceptibility: No
Miscellaneous Remarks: The site is low & reported as frequently under water.
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern:
Diameter to Glass: 6' 7.5"
Diameter in the Clear:
Number of Sides: 8
Type of Bars:
Thickness of Bars:
Height Glazed: 5'
Number of Plates in Height: 3
Number of Plates Each Side: 3
Thickness of Plates: 1/8"
Size of Plates: 19.5" x 14.25"
Number of Storm Panes: 2
Unglazed Side of Lantern: Lower panes on one side
What Bearings:
Construction Material Lantern: Iron, glass & copper
Construction Material Roof / Cowl: Iron frame copper covered.
Ventilator / Cowl: Iron
Lightning Spindle: Iron & copper
Description of Lightning Rod: Copper, led down NW side
Balustrade: Iron (wrought)
Lantern Doors: 1 - iron frames one side of lantern
Floor of Lantern: Iron
Watchroom Doors: Iron
Parapet Diameter:
Location / Number: 7 brass in lower part of lantern.
Ladders / Cleaning Arrangement: None required
Curtain Hooks / Hanger: To bolts of lantern frame.

How is Watchroom Fitted: 2 tin chests filled w/ supplies of lens apparatus.
How is Relief Called: None required
Where is Call System Led:
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles:
Name of Maker: LePaute
Year Made:
Marks and Number:
Order of Apparatus: 5th
Inside Diameter:
Light Characteristic: Fixed white
Time of Revolution:
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part: Fixed 270 degrees: N x W x E'd to SSW
Number of Panels: 3
Number of Flash Panels:
Arc of Each:
Number of Elements in Central Drum:
Number of Prisms Above Center Drum: 7
Number of Prisms Below Center Drum: 5
Does Apparatus Revolve?: False
Is There a Revolving Belt?: False
Revolving Panels:
How Flash is Produced:
Number of Vertical Elements Panel:
Fixed Lens Covered:
Pedestal: Iron
Service Table: Iron
Draft Tube Description: None
Revolving Machinery:
Standby and Description:
Chariot Float or Balls:
Chariot Description:
Length of Drop Tube:
Clock Weight:
Length of Winding Time:
Drive During Rewind:
Machinery Protection:
Lens Protection:
How Color is Produced: White
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description:
Type of Illuminant:
Number of Spare Lamps:
Number of Spare Burners:
Candle Power:
Closets and Store Rooms
Tower Closet Use: None
Oil House Description: Stores etc., are kept in dwelling which is abt 190' distant from tower.
Oil House Inside Dimension:
Oil House Construction Material:
Oil House Capacity: 2 - 50 gallon oil butts; 1 - 10 gallon oil can. Oil butts placed on wooden bench.
Other (Describe): In dwelling
Suitability: Dry & suited.
Location: 190' distant from tower W.
Construction Materials: Of wood; cellar under main portion.
Number of Rooms: 6 rooms & kitchen attached to N side of house, closet on 1st floor.
Number of Dwellings:
Heating Plant:
Number of Keepers: 1
Furnished Quarters:
NOT Furnished Quarters:
Outhouses: 1 woodshed, 12' x 18'
Outhouse Coloring:
Paths and Walks: Plank walk from dwelling to tower distant about 190'.
Area Inclosed: 1 acre. Fences destroyed by high tides.
Area of Garden: None
Area Timber or Shrubbery:
Cultivation Area Available:
Area Cultivated:
Character of Surroundings: Whole grounds are frequently under water. Surface is gravelly.
Stove, Maker:
Stove, Size:
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
How Procured: Well
Quality: Good
Quantity: Ample
Injury Possible:
Purity Precaution:
Tank Capacity:
Tank Material:
Distilling Apparatus: False
Distilling Manufacturer:
Well Description: 11' deep
Well Diameter: 2'
Well Lining: Stone
Pump or Bucket: Chain & bucket
What Power Used:
Distance from Dwelling: About 10'
General Opinion: Good
Diseases: None
Prevalency: No
Local Causes: No
Recommended Improvements: No
Access to Lighthouse: No boathouse or landing. Landing made on beach & is easy.
Distance and Direction:
Miscellaneous Remarks: