Report for Blakistone Island Light Station (Maryland) - 1909
General |
District: | 5th |
Inspector: | Jon Murdoch, Asst. Lighthouse Engineer |
Location: | S'ly end of Blakistone Island, off the entrance to St. Clement, N'ly side of Potomac River |
Date of Report: | 10/14/1909 |
Latitude: | 38° 12' 27" |
Longitude: | 76° 44' 43" |
Premises |
Site: | Purchase |
Date of Reservation: | |
Date of Deed: | 04/27/1850 |
Date of Permission: | |
Date of Lease: | |
Area of the Entire Site: | 2 A. 3 R. 23 p. 32 1. |
Area Inclosed: | 1/2 acre |
Character of Soil: | Loam |
Distance of tower from Nearest High-Water Mark: | 60' |
Inclosures to Premises / Type of Fence: | Wooden fence |
Wharf or Landing on Premises: | None |
Road to Land or Wharf Chararacter of and Distance: | No road, distance 30' |
Means to Reach Light Station: | By small boat |
Distance to Nearest Road: | 1 1/4 miles to steamboat landing at Goltons. |
Distance to Post Office: | 1 1/4 miles |
Distance to Village: | 10 miles |
Facilities for Public Conveyance: | None |
Facilities for Private Conveyance: | Small boat, 1 mile |
Means Used for Support of Lantern: | Tower |
Number of Separate Lights: | One |
First Built or Established: | 1851 |
Last Rebuilt, Repaired, or Renovated: | September, 1905 |
Condition at This Date: | Good |
Shape of Tower in Plan: | Circular (in center of brick dwelling) |
Form of Tower: | Cylindrical |
Height from Base to Ventilator Ball: | 53' 6" |
Height of Focal Plane Above Mean High Water: | 44' 6" |
Background of Lighthouse as Seen from Sea: | Woods |
Color of Tower: | White |
Color of Tower/ How Produced: | By whitewash |
Tower Connection: | Tower connected with Keepers' dwelling, by brick walls. |
Object of Navigation: | General purposes |
Building Materials: | Brick |
General Description: | |
Wall Thickness at Base: | 2' |
Wall Thickness at Parapet: | 9" |
Diameter at Base: | 8' |
Diameter at Parapet: | 6' |
Kind of Stairway and Steps: | Wood |
Number of Landings: | 5 |
Size of Glass: | 9" x 12" |
Number of Windows and Size of Sash: | 1, 2' 8" wide, 5' 0" high |
Number of Doors: | 13 |
Kind of Foundation and Depth Below Surface: | Brick, 5' |
Character of Soil Surrounding the Lighthouse: | Loam |
Soil Susceptibility: | Yes |
Miscellaneous Remarks: |
Lantern and Fixtures |
Order of Lantern: | 4th |
Shape of Lantern: | Polygonal |
Diameter to Glass: | 7' 0" |
Diameter in the Clear: | |
Number of Sides: | 9 |
Type of Bars: | Vertical |
Thickness of Bars: | |
Height Glazed: | 36" |
Number of Plates in Height: | One |
Number of Plates Each Side: | One |
Thickness of Plates: | 3/8" |
Size of Plates: | 36" x 27 1/2" |
Number of Storm Panes: | None |
Unglazed Side of Lantern: | None |
What Bearings: | |
Construction Material Lantern: | Iron & copper; parapet brick. |
Construction Material Roof / Cowl: | Copper |
Ventilator / Cowl: | Copper |
Lightning Spindle: | Brass |
Description of Lightning Rod: | Copper, attached to base of lantern, led over roof to side of dwelling & to ground. |
Balustrade: | Iron |
Lantern Doors: | Fitted with hinges to frame of lantern |
Floor of Lantern: | Wood, covered with sheet copper |
Watchroom Doors: | In floor of lantern, with hinges. |
Parapet Diameter: |
Ventilators |
Location / Number: | Lower part of lantern |
Ladders / Cleaning Arrangement: | None |
Curtain Hooks / Hanger: | Screwed into frame of lantern. |
Illuminating Apparatus |
Kind of Apparatus: | |
Intensity in Candles: | |
Name of Maker: | L. Sautter, Paris |
Year Made: | Not known |
Marks and Number: | None |
Order of Apparatus: | 4th |
Inside Diameter: | 19.5" |
Light Characteristic: | Fixed white with a fixed red sector |
Time of Revolution: | |
Flash Interval: | |
Duration of Flash: | |
Arc of Each Fixed Part: | |
Number of Panels: | 4 |
Number of Flash Panels: | None |
Arc of Each: | |
Number of Elements in Central Drum: | 5 |
Number of Prisms Above Center Drum: | 5 |
Number of Prisms Below Center Drum: | 3 |
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: | |
Regulated: | |
Lens Protection: | |
How Color is Produced: | By ruby glass |
Red Sectors Description: | Between 221 degrees 30' true (SW 1/8 W, mag) & 267 degrees 20' true (W 1/4 N mag.) |
Where Color Attached: | To lantern |
Form of Colored Glass: | |
Lamp Description: | Constant level, one-wick |
Type of Illuminant: | |
Number of Spare Lamps: | One |
Number of Spare Burners: | None |
Candle Power: |
Closets and Store Rooms |
Tower Closet Use: | Fitted with shelves, for eneral purposes. |
Oil House Description: | Oil kept on 3rd floor of dwelling, in small pans. |
Oil House Inside Dimension: | |
Oil House Construction Material: | |
Oil House Capacity: | |
Other (Describe): | 3 between tower & outer wall used for general purposes. |
Suitability: | Dry & suitable |
Fog Signal General |
Fog Signal Kind: | Stevens Bell machine |
Time to Start: | 1 minute |
How Long Will Pressure Last: | |
Manufacturer: | Boston, Mass., Geo. M. Stevens Co. |
Year of Manufacture: | Not known |
Characteristic: | A single blow every 16 secs. |
Duplication: | None |
Timing Device: | |
If whistle, siren, or trumpet, Pressure at Which Blown: | |
Height Above Water: | |
Compass Direction: | |
Location: | Detached from lighthouse |
Distance and Direction: | SW 25' |
Water Supply: | None required |
Reached from Lighthouse: | By boardwalk |
Description of Fog Signal Building: | Wooden pyramidal structure, 20' 6" high, 12' square at base & 9' square at top. |
Pressure And Recording Gauge: |
Bell Signal |
Weight: | 1000 lbs |
Metal: | Bell metal |
Diameter: | 38" |
Height: | 28" |
Time: | 2 3/4 hours |
Manufacturer: | Geo. M. Stevens Co. |
Weights for Operation: |
Dwelling |
Location: | Connected to tower, the 2 forming practically 1 structure |
Coloring: | White |
Construction Materials: | Brick & wood |
Number of Rooms: | 6 |
Number of Dwellings: | |
Heating Plant: | |
Number of Keepers: | 1 |
Furnished Quarters: | |
NOT Furnished Quarters: | |
Outhouses: | Kitchen & pumphouse |
Outhouse Coloring: | White |
Paths and Walks: | Brick walk between dwelling & summer kitchen & in front of dwelling |
Area Inclosed: | Post & rail fence |
Area of Garden: | None |
Area Timber or Shrubbery: | None |
Cultivation Area Available: | None |
Area Cultivated: | None |
Character of Surroundings: | Loam |
Stove, Maker: | |
Stove, Size: | |
Sink, Maker: | |
Sink, Size: | |
Pump, Maker: | |
Pump, Size: | |
Lamps: |
Water |
How Procured: | Well |
Quality: | Good |
Quantity: | Ample |
Injury Possible: | Not liable |
Purity Precaution: | |
Tank Capacity: | |
Tank Material: | |
Distilling Apparatus: | False |
Distilling Manufacturer: | |
Well Description: | 14' |
Well Diameter: | 5' |
Well Lining: | Wood curbing |
Pump or Bucket: | Pump |
What Power Used: | |
Distance from Dwelling: | 20' |
Healthfulness |
General Opinion: | Healthy |
Diseases: | Malarial |
Prevalency: | Spring & fall |
Local Causes: | |
Recommended Improvements: |