Report for Alligator Reef (Florida) - 1928

District: 7th
Inspector: H. B. Haskins, Asst. Supt.
Location: On Alligator Reef, Florida Reef Florida
Date of Report: 03/15/1928
Latitude: 24° 51' 06"
Longitude: 80° 37' 09"
Site: Submarine Site
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: None
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: Islamorada, Florida by station boat 7 miles
Distance to Nearest Road:
Distance to Post Office:
Distance to Village:
Facilities for Public Conveyance:
Facilities for Private Conveyance:
Means Used for Support of Lantern: Octagonal pyramidal, skeleton tower, inclosing stair cylinder, pile foundation.
Number of Separate Lights: One
First Built or Established: 1873
Last Rebuilt, Repaired, or Renovated:
Condition at This Date:
Shape of Tower in Plan: Octagonal pyramidal, skeleton tower, inclosing stair cylinder, pile foundation.
Form of Tower:
Height from Base to Ventilator Ball:
Height of Focal Plane Above Mean High Water: 136'
Background of Lighthouse as Seen from Sea: On Florida Keys
Color of Tower: White tower, black piles
Color of Tower/ How Produced:
Tower Connection: Dwelling part of tower, on 2nd series
Object of Navigation: Primary Seacoast
Building Materials: Wrought and cast iron
General Description: Tower located in 5 feet M.L.W. on outer line of reefs of Florida Reefs, FL
Wall Thickness at Base:
Wall Thickness at Parapet:
Diameter at Base:
Diameter at Parapet:
Kind of Stairway and Steps: Cast iron
Number of Landings:
Size of Glass: 9 X11 1/2
Number of Windows and Size of Sash: 6 2 3/4" 26 5/8 wood in stair cylinder 1 in watchroom
Number of Doors: 2 in twr 2'6" X 6'-3" (see drawing) 1 trap dr 22" wide
Kind of Foundation and Depth Below Surface:
Character of Soil Surrounding the Lighthouse:
Soil Susceptibility:
Miscellaneous Remarks:
Lantern and Fixtures
Order of Lantern: 1st order
Shape of Lantern: Polygonal
Diameter to Glass:
Diameter in the Clear:
Number of Sides: 16 sides
Type of Bars: Vertical
Thickness of Bars: 1 3/8
Height Glazed: 9' - 7 3/4"
Number of Plates in Height: 3
Number of Plates Each Side: 3
Thickness of Plates: 1/4 to 5/16, 28" wide
Size of Plates:
Number of Storm Panes:
Unglazed Side of Lantern:
What Bearings:
Construction Material Lantern: Iron
Construction Material Roof / Cowl: Copper ?
Ventilator / Cowl: Cast Iron
Lightning Spindle: Copper
Description of Lightning Rod:
Balustrade: Iron
Lantern Doors: None
Floor of Lantern: Cast Iron Gallery
Watchroom Doors: 1 door to gallery & one door between stairs and watchroom
Parapet Diameter:
Location / Number: Lower part of lantern
Ladders / Cleaning Arrangement: Portable wooden ladder
Curtain Hooks / Hanger: Iron screwed into iron

How is Watchroom Fitted: 2 chairs, radio, barometer, clock, spare lamp, tools, 2 carriers
How is Relief Called: Bell wire speaking tubes played out
Where is Call System Led: Watchroom to dwelling
Illuminating Apparatus
Kind of Apparatus: 1 hour 50 minutes
Intensity in Candles: W 80,000 R 24,000
Name of Maker: Henry Lapante, Paris
Year Made: ?
Marks and Number:
Order of Apparatus: 1st
Inside Diameter: 72 1/2"
Light Characteristic:
Time of Revolution: 60" - 4sets of 4 panels
Flash Interval: Duration of eclispse 3-2 sec,1-7 sec
Duration of Flash: 4 flashes 0.5
Arc of Each Fixed Part:
Number of Panels: 24
Number of Flash Panels: 16
Arc of Each: 22 1/2 degrees
Number of Elements in Central Drum: 17
Number of Prisms Above Center Drum: 18 flash
Number of Prisms Below Center Drum: 8 flash
Does Apparatus Revolve?: True
Is There a Revolving Belt?: False
Revolving Panels:
How Flash is Produced: Chariot wheels
Number of Vertical Elements Panel:
Fixed Lens Covered:
Pedestal: Clock pedestal
Service Table:
Draft Tube Description: Fitted to galv. Umbrella
Revolving Machinery:
Standby and Description:
Chariot Float or Balls: Chariot wheels
Chariot Description: 10 5 1/2" diameter - all one pattern - 20 3 1/2"
Length of Drop Tube:
Clock Weight:
Length of Winding Time: 1 hour 50 minutes
Drive During Rewind: No
Machinery Protection: By glass case
Regulated: By governor with fairs and weights
Lens Protection: None
How Color is Produced:
Red Sectors Description: 223 degrees to 247 degrees & 46 degrees to 68 degrees
Where Color Attached:
Form of Colored Glass:
Lamp Description: Type A 55 mm
Type of Illuminant: Oil
Number of Spare Lamps: 2 10v & 1 fourth order
Number of Spare Burners:
Candle Power:

Clock Cord Description
Revolving Cord: Galv wire rope
Size of Clock Cord: 3/8
Length of Clock Cord: 170'
How Led: Through stair of cylinders stair
Diameter and Length of Clock Drum: 8 1/2"d 12 1/2" long

Vapor Oil Lamp
Number of Wicks or Mantels: One mantel
Diameter of Outside Wick:
Diameter of Mantel: 55 mm
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use:
Oil House Description: Below dwelling; 5 250 gal galv. Iron oil tanks
Oil House Inside Dimension: 15 X 16
Oil House Construction Material: Wood
Oil House Capacity: 5 250 gal tanks
Other (Describe): In dwelling
Suitability: Dry and suitable
Location: 2 nd series of tower
Coloring: White
Construction Materials: Outside walls iron, inside wood
Number of Rooms: 4
Number of Dwellings: 1
Heating Plant:
Number of Keepers: 3
Furnished Quarters: None
NOT Furnished Quarters:
Outhouses: None
Outhouse Coloring:
Paths and Walks: None
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available:
Area Cultivated:
Character of Surroundings:
Stove, Maker: New Perfection no 33
Stove, Size:
Sink, Maker:
Sink, Size: 16 X24- enamel
Pump, Maker: No. 2 Seneca Falls Force Pump
Pump, Size: No. 2 Pitchers
Lamps: Pump oil No 2 gould Hand lamps or hand lanterns 1
How Procured: Rain water, caught from roof of dwelling
Quality: Good
Quantity: Ample for station all seasons-yes
Injury Possible: By hurricanes, but this avoided by cutoff valves
Purity Precaution: Cut off valves
Tank Capacity: 2 of 4,600 gal each
Tank Material: 2" cypress tanks
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket: Pump
What Power Used: Hand power
Distance from Dwelling: Under dwelling
General Opinion: Healthy
Diseases: None
Local Causes:
Recommended Improvements:
Boat #1
Boat Number: 3
Type: Power boat
When Built:
Date Harbored at Station:
Sails: False
Suited to Work:
Boat #2
Boat Number: 0
Type: Skiff
When Built:
Date Harbored at Station:
Sails: False
Suited to Work:

Power Boat
Engine Type: Gasoline
Horsepower: 5
Engine Maker: Sathrop,2 cycle make and brake #11927
Spare Coil: D?? Coil for make and break engine
Magnet: None
Battery: No. 6 dry cells, 8 to set
Propeller Diameter: 18"
Propeller Pitch: 20"

General Information:
Boats on Station: On davits