Report for Thomas Point Shoal (Maryland) - 1909

District: 5th
Inspector: John Murdoch, Assistant Lighthouse Engineer
Location: On the shoal making out from Thomas Point, W'ly side of Chesapeake Bay, MD., to the N'd & E'd of entrance to South River & to the S'd of entrance to Severn River & Annapolis Harbor
Date of Report: 07/12/1909
Latitude: 38° 53' 56"
Longitude: 76° 26' 10"
Site: Submarine
Date of Reservation:
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site:
Area Inclosed:
Character of Soil:
Distance of tower from Nearest High-Water Mark:
Inclosures to Premises / Type of Fence:
Wharf or Landing on Premises:
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: By boat
Distance to Nearest Road: 7 miles to steamboat landing at Annapolis, MD.
Distance to Post Office: 7 miles
Distance to Village: 7 miles
Facilities for Public Conveyance: None
Facilities for Private Conveyance: By small boat, 7 miles
Means Used for Support of Lantern: Dwelling
Number of Separate Lights: One
First Built or Established: 1875
Last Rebuilt, Repaired, or Renovated: October, 1908
Condition at This Date: Good
Shape of Tower in Plan: Hexagonal
Form of Tower: No tower
Height from Base to Ventilator Ball:
Height of Focal Plane Above Mean High Water: 42' 6"
Background of Lighthouse as Seen from Sea: Water
Color of Tower:
Color of Tower/ How Produced:
Tower Connection:
Object of Navigation: General purposes
Building Materials:
General Description:
Wall Thickness at Base:
Wall Thickness at Parapet:
Diameter at Base:
Diameter at Parapet:
Kind of Stairway and Steps: Wood
Number of Landings: 2
Size of Glass: 8" X 14"
Number of Windows and Size of Sash: 12, 35" X 36"
Number of Doors: 15
Kind of Foundation and Depth Below Surface: Sand, 11' 6"
Character of Soil Surrounding the Lighthouse:
Soil Susceptibility:
Miscellaneous Remarks:
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern: Polygonal
Diameter to Glass: 7'
Diameter in the Clear:
Number of Sides: 8
Type of Bars: Vertical
Thickness of Bars:
Height Glazed: 36 5/8"
Number of Plates in Height: One
Number of Plates Each Side: One
Thickness of Plates: 3/8"
Size of Plates: 36 5/8" x 34"
Number of Storm Panes: None
Unglazed Side of Lantern:
What Bearings:
Construction Material Lantern: Copper, wood & iron
Construction Material Roof / Cowl: Copper
Ventilator / Cowl: Copper
Lightning Spindle: Brass
Description of Lightning Rod: Copper. Fastened to roof of lantern, led over main roof to side of house to water.
Balustrade: Wood
Lantern Doors: Wood, fitted with hinges to frame of lantern
Floor of Lantern: Wood
Watchroom Doors:
Parapet Diameter:
Location / Number: Lower part of lantern
Ladders / Cleaning Arrangement: None
Curtain Hooks / Hanger: Screwed into frame of lantern
Illuminating Apparatus
Kind of Apparatus: 3 3/4 hours
Intensity in Candles:
Name of Maker: L. Sautter Lemmonier
Year Made: Not known
Marks and Number: L.S. 321
Order of Apparatus: 4th
Inside Diameter: 19 5/8"
Light Characteristic: Flashing white & red
Time of Revolution: 6 minutes
Flash Interval: 30"
Duration of Flash:
Arc of Each Fixed Part:
Number of Panels: 12
Number of Flash Panels: 12
Arc of Each: 30 degrees
Number of Elements in Central Drum: 4
Number of Prisms Above Center Drum: 6
Number of Prisms Below Center Drum: 4
Does Apparatus Revolve?: True
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: Clockwork
Standby and Description:
Chariot Float or Balls: Chariot
Chariot Description: 6 wheels 4" dia, 3/4" face, crowned; 6 wheels 1" dia. 1 1/4" face, crowned.
Length of Drop Tube: 20'
Clock Weight:
Length of Winding Time: 3 3/4 hours
Drive During Rewind:
Machinery Protection: By box frame, with glass panels
Regulated: By fan governor
Lens Protection:
How Color is Produced: By ruby glass
Red Sectors Description: 11 degrees true (N by E 1/2 E mag.) to W & 203 degrees true (SSW 9/16 W mag.)
Where Color Attached: To lantern
Form of Colored Glass:
Lamp Description: Improved 4th order 1 wick
Type of Illuminant:
Number of Spare Lamps: 2
Number of Spare Burners: None
Candle Power:

Clock Cord Description
Revolving Cord:
Size of Clock Cord:
Length of Clock Cord:
How Led: From lens to side of lantern through floor & closet
Diameter and Length of Clock Drum:
Closets and Store Rooms
Tower Closet Use: None
Oil House Description: Fitted with platform stand, covered with zinc, on 2nd floor of house.
Oil House Inside Dimension:
Oil House Construction Material:
Oil House Capacity:
Other (Describe): 6 closets on 1st floor, 6 on 2nd floor. For general purposes
Suitability: Dry, suitable for purposes for which used.
Fog Signal General
Fog Signal Kind: Stevens bell machine
Time to Start: 2 minutes
How Long Will Pressure Last:
Manufacturer: Geo. M. Stevens Co., Boston, Mass
Year of Manufacture: Not known
Characteristic: Triple blow every 30 sec.
Duplication: None
Timing Device:
If whistle, siren, or trumpet, Pressure at Which Blown:
Height Above Water:
Compass Direction:
Distance and Direction:
Water Supply:
Reached from Lighthouse:
Description of Fog Signal Building:
Pressure And Recording Gauge:
Bell Signal
Weight: 1200 lbs
Metal: Bell metal
Diameter: 40"
Height: 34"
Weights for Operation:
Location: No tower
Coloring: White
Construction Materials: Wood & iron
Number of Rooms: 6
Number of Dwellings:
Heating Plant:
Number of Keepers: Keeper & assistant
Furnished Quarters:
NOT Furnished Quarters:
Outhouse Coloring:
Paths and Walks:
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available:
Area Cultivated:
Character of Surroundings:
Stove, Maker:
Stove, Size:
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
How Procured: From roof
Quality: Good
Quantity: Ample
Injury Possible: Not liable
Purity Precaution: Cleaning every 2 months
Tank Capacity: 4 tanks, 200 gal each
Tank Material: Plate iron
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket:
What Power Used:
Distance from Dwelling:
General Opinion: Fair
Diseases: Malarial
Prevalency: Spring & Fall
Local Causes: No
Recommended Improvements: