Report for Eldred Rock (Alaska) - 1914

District: 16th
Inspector: Compiled from various sources
Location: On islet in N part of Lynn Canal on W'ly side of entrance to Chilkoot Inlet.
Date of Report: 01/02/1914
Latitude: 58° 58' 15"
Longitude: 135° 12' 38"
Site: Public land reserved by Executive Order
Date of Reservation: 01/06/1901
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 2.4 acres
Area Inclosed: None
Character of Soil:
Distance of tower from Nearest High-Water Mark: 52'
Inclosures to Premises / Type of Fence:
Wharf or Landing on Premises: Inclined tramways on both E'ly & W'ly sides of island.
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: By water from Haines, 18 miles
Distance to Nearest Road:
Distance to Post Office: Mail from Juneau, 72 miles via passenger str. Georgia every 6 days weather permitting
Distance to Village:
Facilities for Public Conveyance:
Facilities for Private Conveyance:
Means Used for Support of Lantern: White, octagonal tower surmounting white, octagonal concrete & wood bldg.
Number of Separate Lights: 1
First Built or Established: 1905
Last Rebuilt, Repaired, or Renovated: New roof on bldg & minor work in 1911
Condition at This Date:
Shape of Tower in Plan:
Form of Tower:
Height from Base to Ventilator Ball:
Height of Focal Plane Above Mean High Water: 91'
Background of Lighthouse as Seen from Sea: Distant mountains
Color of Tower: White, black lantern
Color of Tower/ How Produced: Paint
Tower Connection: Tower surmounts dwelling
Object of Navigation: To mark rock & for navigation of N part of Lynn Canal & entrance to Chilkoot Inlet.
Building Materials: Wood
General Description:
Wall Thickness at Base:
Wall Thickness at Parapet:
Diameter at Base:
Diameter at Parapet:
Kind of Stairway and Steps: Circular wooden stairway
Number of Landings:
Size of Glass: Inside 15" x 20", outside top, 15" x 20"; outside bottom, 17" x 20"
Number of Windows and Size of Sash: 2' x 3' x 1 1/4"; outside sash, 2' x 3' x 2.5"
Number of Doors: 2; 2' 8" x 6' 8"
Kind of Foundation and Depth Below Surface:
Character of Soil Surrounding the Lighthouse:
Soil Susceptibility:
Miscellaneous Remarks: 1st story of bldg is concrete - remainder frame. Located on small rocky islet.
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern: Octagonal
Diameter to Glass:
Diameter in the Clear:
Number of Sides:
Type of Bars: Vertical
Thickness of Bars:
Height Glazed: 3'
Number of Plates in Height: One
Number of Plates Each Side: One
Thickness of Plates: 1/4"
Size of Plates: 2' 10.5" x 2' 11 15/16"
Number of Storm Panes:
Unglazed Side of Lantern: None
What Bearings:
Construction Material Lantern: Cast iron, brass, bronze, glass
Construction Material Roof / Cowl: Cast iron lined with zinc.
Ventilator / Cowl: 17" dia.
Lightning Spindle: Brass, platinum point.
Description of Lightning Rod:
Balustrade: Wood; coppered floor, octagonal. 2' 10" high.
Lantern Doors: 1; upper part, glass; lower part iron; hinged, lock.
Floor of Lantern: Wood
Watchroom Doors: Panel door, 2' 2" x 6' 6", hinges & lock.
Parapet Diameter:
Location / Number: 4; in lantern parapet.
Ladders / Cleaning Arrangement: Wooden step ladder
Curtain Hooks / Hanger: Spring rollers; cast brass hangers.
Illuminating Apparatus
Kind of Apparatus: 5 hours
Intensity in Candles: 2100
Name of Maker: Barbier, Benard & Turenne, Paris
Year Made: No mark
Marks and Number: None
Order of Apparatus: 4th
Inside Diameter: 19 11/16"
Light Characteristic:
Time of Revolution: 20 sec
Flash Interval: 8 3/4 sec
Duration of Flash: W. 1 1/4 sec; R 1 1/4 sec.
Arc of Each Fixed Part:
Number of Panels: 4; 1 red, 1 white, 2 mirrors (mirrors reflect into red panel)
Number of Flash Panels: 2
Arc of Each: Red 174 degrees; white 67 degrees
Number of Elements in Central Drum: 3 red, 3 white
Number of Prisms Above Center Drum: Red 7, white 6, flash
Number of Prisms Below Center Drum: Red 7, white 3, flash
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: Std, 4th order, brass
Service Table:
Draft Tube Description: No draft tube or damper
Revolving Machinery:
Standby and Description:
Chariot Float or Balls: On balls
Chariot Description:
Length of Drop Tube: 31' 6" x 10"
Clock Weight: 135 lbs
Length of Winding Time: 5 hours
Drive During Rewind: No
Machinery Protection: By glass case
Regulated: By fan governor
Lens Protection: Cloth
How Color is Produced: Ruby glass
Red Sectors Description: None
Where Color Attached: Attached to inside of lens
Form of Colored Glass: Curved glass
Lamp Description: 4th
Type of Illuminant: Oil
Number of Spare Lamps: 2; in winter all 3 lamps are used
Number of Spare Burners: 4
Candle Power: 52 cp

Clock Cord Description
Revolving Cord: 4th order galv. cord
Size of Clock Cord: 3/16"
Length of Clock Cord: 67'
How Led: From bottom of clock frame down to a 4.5" sheave thence up to drum
Diameter and Length of Clock Drum: 4" x 4"

Chariot Balls
Balls Description: V grooves
Cage to Separate Balls: False
Number of Balls: 14
Diameter of Balls: 5/8"

Vapor Oil Lamp
Number of Wicks or Mantels: 1
Diameter of Outside Wick: 1.5"
Diameter of Mantel:
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use: Lockers in service room
Oil House Description: Oil room on 1st floor in corner of bldg.
Oil House Inside Dimension: Triangular 12' x 15' x 11'
Oil House Construction Material: Concrete
Oil House Capacity: 1600 5-gal cans
Other (Describe): Closet in each bedroom. Storeroom, 1st floor in corner of bldg.
Suitability: Suited
Fog Signal General
Fog Signal Kind: 1st class, automatic, compressed air siren
Time to Start: 12 to 15 min.
How Long Will Pressure Last: From 4 to 5 blasts if worked by hand
Year of Manufacture:
Characteristic: 5 sec blast, 40 sec silent
Duplication: Engine, compressor, siren, horn
Timing Device: Disc with tripping sector belt driven by engine
If whistle, siren, or trumpet, Pressure at Which Blown: 39#
Height Above Water: 52'
Compass Direction: 83 degrees (approx)
Distance and Direction:
Water Supply: Rain water caught on roof & stored in cisterns.
Reached from Lighthouse: In same bldg
Description of Fog Signal Building: Concrete bldg with fuel, furnace, tank, oil, store, bath, engine & work rooms. Occupies ground floor; dwelling above.
Pressure And Recording Gauge: Ashcroft Mfg. Co. 80#
Siren Signal
Siren: Cylindrical
Siren Diameter: 6"
Siren Built Date:
Siren Manufacturer:
Siren Ports: Inside cyl 20; outside cyl 23 ports, 2 3/4" x 3/32
Siren Revolutions:
Siren Governor: Meitz & Weiss, centrifugal, 4 brass weights forced against inside of outer cylinder.
Siren Condition:

Internal Combustion Signal
Fog Signal Kind:
Internal Combustion Kind: Mietz & Weiss oil
Internal Combustion Manufacturer: August Mietz; N eng. #3107; S eng. #3265
Internal Combustion Date: 1905
Internal Combustion Size: 10" x 12"
Internal Combustion Horsepower: 18
Internal Combustion Fuel: Oil
Internal Combustion Starter: Torch
Compressor Maker: Herron & Bury Air Compressor Company
Compressor Seat: On same bed, Morris chain drive
Compressor Machinery:
Compressor Diameter: 10"
Compressor Stroke: 8"
Compressor RPMs: 125
Character of Air Inlet: 2.5"
Kind of Unloader: No name
Diameter of Delivery Pipe: 2"

Air Receiver
Number: 1
Diameter: 40"
Height: Length 18'
Capacity Cubic Feet: 150
Pressure in Each: 39#
Make of Reducing Valve: None
Location: In same bldg
Coloring: White
Construction Materials: Wood
Number of Rooms: 8 rooms for common use of 3 keepers.
Number of Dwellings: 1
Heating Plant: Boynton Return Flue Hot Water Heaters (3) #122-7
Number of Keepers: 3 in 1 dwelling
Furnished Quarters:
NOT Furnished Quarters:
Outhouses: Boathouse & storeroom & workshop
Outhouse Coloring: White
Paths and Walks: Concrete walk around bldg & to boathouse.
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available: None
Area Cultivated: None
Character of Surroundings: Small rocky islet, no trees
Stove, Maker: BB&Co
Stove, Size: 368-20
Sink, Maker: Unmarked
Sink, Size: 16" x 30"
Pump, Maker: Water for domestic purposes & cooling engines pumped by comp. air to tank in attic whence it is drawn by gravity.
Pump, Size:
Lamps: 6 table lamps, 6 hand lamps.
How Procured: Rain water caught on roof & stored in tanks
Quality: Good
Quantity: Ample
Injury Possible: No
Purity Precaution: None
Tank Capacity: Attic, 1400 gal; tank room 1 - 500 gal., 1 - 6000 gal
Tank Material: Attic, galv. iron; tank room, red wood
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket:
What Power Used:
Distance from Dwelling:
General Opinion: Climate is healthful
Diseases: None
Local Causes:
Recommended Improvements: No
Access to Lighthouse: Boathouse, 16' x 23', located well above HW with tramways extending to low water in NE'ly & SW'ly directions; also tramway from boathouse to main bldg. Workshop, 13' x 16'
Distance and Direction: Boathouse, 300', 310' from tower
Miscellaneous Remarks:
Boat #1
Boat Number: 21
Type: Launch, whaleboat
Length: 5' 3"
Width: 18'
When Built: No data
Date Harbored at Station: No data
Sails: False
Suited to Work: Yes
Boat #2
Boat Number: 23
Type: Dinghy
Length: 4' 8"
Width: 14'
When Built: No data
Date Harbored at Station: No data
Sails: False
Suited to Work: Yes
Boat #3
Boat Number: 24
Type: Skiff
Length: 4'
Width: 16'
When Built: No data
Date Harbored at Station: No data
Sails: False
Suited to Work: Worn out
Boat #4
Boat Number: 25
Type: Skiff
Length: 4'
Width: 14'
When Built: No data
Date Harbored at Station: No data
Sails: False
Suited to Work: Yes

Power Boat
Engine Type: Scripps motor
Horsepower: 4 -5
Engine Maker: Scripps Motor Co.
Spare Coil:
Magnet: None
Battery: Dry batteries, 6
Propeller Diameter: 14"
Propeller Pitch: 16"

Hoisting Engines
Hoisting Engine Kind: 6 HP Mietz & Weiss oil engine
Engine RPMs: Rope speed 225'
Engine Diameter:
Engine Stroke:
Engine Boiler:
Engine Maker and Date: August Mietz
Serial Number:
Cylinders and Size:
Hoist Starter:
Hoist Miscellaneous:

General Information:
Boats on Station: Boathouse