Report for Tree Point Light Station (Alaska) - 1913

District: 13th
Inspector: Various
Location: On the easterly side of the southerly entrance to Revillegigede Channal
Date of Report: 10/02/1913
Latitude: 54° 48' 08"
Longitude: 130° 56' 10"
Site: Public land set aside by Executive Order
Date of Reservation: 01/06/1910
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 679 acres
Area Inclosed:
Character of Soil:
Distance of tower from Nearest High-Water Mark: 80 feet
Inclosures to Premises / Type of Fence: None.
Wharf or Landing on Premises: Boat landing & incline at bay about 1200 ft. SE'ly
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: By launch, Ketchinken, 42 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: Tower
Number of Separate Lights: 1
First Built or Established: 1903
Last Rebuilt, Repaired, or Renovated: April 30, 1914
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: 86 feet
Background of Lighthouse as Seen from Sea: Dark timber & distant hills.
Color of Tower: White
Color of Tower/ How Produced: Paint
Tower Connection: Tower rises from center of fog signal building.
Object of Navigation: For general navigation, being point of departure entering or leaving Revillagigedo Channel.
Building Materials: Wood, shingled
General Description:
Wall Thickness at Base:
Wall Thickness at Parapet:
Diameter at Base:
Diameter at Parapet:
Kind of Stairway and Steps: Wooden
Number of Landings:
Size of Glass: 16" x 18"
Number of Windows and Size of Sash: 4, 20" x 22"
Number of Doors: 3
Kind of Foundation and Depth Below Surface:
Character of Soil Surrounding the Lighthouse:
Soil Susceptibility:
Miscellaneous Remarks: At the rear of the tower (easterly) a knoll rises to the height of the tower at a distance of about 80 feet.
Lantern and Fixtures
Order of Lantern: 3rd
Shape of Lantern: Polygonal
Diameter to Glass:
Diameter in the Clear:
Number of Sides: 10
Type of Bars: Vertical
Thickness of Bars:
Height Glazed: 5'9"
Number of Plates in Height: 1
Number of Plates Each Side: 1
Thickness of Plates: 7/16"
Size of Plates: 2'7.5"x 5'3.5"
Number of Storm Panes:
Unglazed Side of Lantern: None.
What Bearings:
Construction Material Lantern: Cast iron, bronze & glass, sheet iron lining.
Construction Material Roof / Cowl: Cast iron with zinc lining.
Ventilator / Cowl: Cast iron.
Lightning Spindle: Brass with platinum tip, screwed to ball.
Description of Lightning Rod:
Balustrade: Wooden, balcony rail around lantern gallery, floor with copper covering.
Lantern Doors: 1 hung on 3 hinges & closing against rubber strip.
Floor of Lantern: Wood
Watchroom Doors: Door with usual hinges & lock.
Parapet Diameter:
Location / Number: In parapet of lantern.
Ladders / Cleaning Arrangement: Portable wooden ladder.
Curtain Hooks / Hanger: Curtains hung on Harthorne spring rollers.

How is Watchroom Fitted: No fittings.
How is Relief Called: Telephone
Where is Call System Led: Fog signal building to each building.
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles: White; 2700, red 680 cp
Name of Maker: Henry Lapaute, Societe des Establishsments
Year Made: 1903
Marks and Number: Henry Lapaute, Paris
Order of Apparatus: 3rd
Inside Diameter: 39 5/16"
Light Characteristic: Fixed white with red sector
Time of Revolution: Fixed
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part:
Number of Panels: 5, 2 of which are reflectors.
Number of Flash Panels:
Arc of Each:
Number of Elements in Central Drum: 13
Number of Prisms Above Center Drum: 11
Number of Prisms Below Center Drum: 6
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: Standard pattern, 4 columns of brass, cast iron base for sens ring, cast iron at floor.
Service Table:
Draft Tube Description: Copper, 6", fittend with damper, carried on spider at top of lens which supports connecting tube.
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: Yes, cloth cover
How Color is Produced: Red sector of ruby glass.
Red Sectors Description: Red sector between 316 degrees & 327 degrees
Where Color Attached: To lantern.
Form of Colored Glass: Ruby galss.
Lamp Description: 2nd order
Type of Illuminant: Oil
Number of Spare Lamps: 1
Number of Spare Burners: 2
Candle Power: White 2700, red 680 cp

Vapor Oil Lamp
Number of Wicks or Mantels: 3
Diameter of Outside Wick: 2 11/16"
Diameter of Mantel:
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use: 2 closets with lickers overhead in vestibule in fog signal building, 2 lockers in office or watch room, all fitted with gooks & shelves used for storing cleaning untensils & supplies.
Oil House Description: 1 @ 70 ft. & 1 @ 120 ft. easterly from building, no fittings.
Oil House Inside Dimension: 8'0" x 11'4"
Oil House Construction Material: Concrete, iron & wood.
Oil House Capacity: 800 cans each.
Other (Describe): 2 closets in vestibule; 2 colsets in workwroom; 1 locker in lamp room with shelves overhead.
Suitability: Dry & suitable.
Fog Signal General
Fog Signal Kind: 1st class 6" siren.
Time to Start: 15 minutes.
How Long Will Pressure Last: 3 minutes
Year of Manufacture:
Characteristic: 3 sec. blast, 27 sec. silent, 3 sec. blast, 27 sec. silent.
Duplication: All parts except air receiver.
Timing Device: Crosby Automatic Signal in duplicate.
If whistle, siren, or trumpet, Pressure at Which Blown: 45 lbs.
Height Above Water: 34.5 feet
Compass Direction: 237 degrees.
Location: In same building.
Distance and Direction: In same building
Water Supply: Contained in cistern & piped to engines.
Reached from Lighthouse: In same building.
Description of Fog Signal Building: 1 story octogonal frame building on concrete foundation & concrete floors.
Pressure And Recording Gauge: To be installed.
Siren Signal
Siren: Cylindrical
Siren Diameter: 6"
Siren Built Date: 1903
Siren Manufacturer: 3rd Dist. Tomkinsville, NY
Siren Ports: 20 3/32" x 2.75"
Siren Revolutions:
Siren Governor: Sectional ring
Siren Condition: Good

Internal Combustion Signal
Fog Signal Kind:
Internal Combustion Kind: Hornsby Akroyd
Internal Combustion Manufacturer: De La Vergne Machine Co.
Internal Combustion Date: 1903
Internal Combustion Size: 11" x 15"
Internal Combustion Horsepower: 13 HP
Internal Combustion Fuel: Mineral oil, keresone
Internal Combustion Starter: By heating with torch.
Compressor Maker: Herren & Bury
Compressor Seat: Not known
Compressor Machinery: Same bed, geared
Compressor Diameter: 10"
Compressor Stroke: 8"
Compressor RPMs:
Character of Air Inlet: 2"
Kind of Unloader:
Diameter of Delivery Pipe: 2"

Air Receiver
Number: 1
Diameter: 40"
Height: 18 feet
Capacity Cubic Feet: 157 cu. ft.
Pressure in Each: 70 lbs.
Make of Reducing Valve:
Location: 600 ft. NE'ly from tower.
Coloring: White with brown roofs.
Construction Materials: Wood, with concrete basements.
Number of Rooms: 6 living rooms, bath room
Number of Dwellings: 3
Heating Plant: Hot water heater (Perfect)
Number of Keepers: 1
Furnished Quarters:
NOT Furnished Quarters:
Outhouses: Barn 16' x 30' with 3 stalls connected with shop; hay loft above
Outhouse Coloring: White with brown roof.
Paths and Walks: Concrete walks around dwelling & to tramway.
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available: About 2 acres cleared, balance heavily wooded.
Area Cultivated: 2 acres.
Character of Surroundings: Decayed vegetation, tundra overlying rock; swampy; timber.
Stove, Maker: Bridge Beach Co.
Stove, Size: 37" x 30"
Sink, Maker: Not known
Sink, Size: 20" x 30"
Pump, Maker: None.
Pump, Size:
How Procured: Obtained brom small creek & piped by gravity.
Quality: Good in spring during heavy rains, bad in summer.
Quantity: Supply short at times in summer.
Injury Possible: No.
Purity Precaution: Water passes through filter cistern before entering main cistern.
Tank Capacity: 23,000 gas. on tip of hill back of lightstation.
Tank Material: Concrete.
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket: Gravity
What Power Used:
Distance from Dwelling: Reservoir on stream 1800 ft. cistern about 200 ft.
General Opinion: Good
Diseases: Rheumatism
Prevalency: Winter
Local Causes: No
Recommended Improvements: No
Access to Lighthouse: Landing in samll bay about 1800 feet easterly from tower, inclined tramway from boat house to low water mark, tramway connects boat house with keepers dwellings & fog signal building; walkway in center of tramway.
Distance and Direction: 1800 feet easterly
Miscellaneous Remarks:
Boat #1
Boat Number: 7
Type: Launch
Length: 5'0"
Width: 23'
When Built: Not known
Date Harbored at Station: Oct. 25, 1910
Sails: False
Suited to Work: No
Boat #2
Boat Number: 8
Type: Dinghy
Length: 4'8"
Width: 14'
When Built: Not known
Date Harbored at Station: April 12, 1904
Sails: False
Suited to Work: Yes.
Boat #3
Boat Number: 9
Type: Dinghy
Length: 5'0"
Width: 16'
When Built: Not known
Date Harbored at Station: Dec. 23, 1909
Sails: False
Suited to Work: Yes

Power Boat
Engine Type: Scripps Motor
Horsepower: 4.5 HP
Engine Maker: Scripps Motor Co.
Spare Coil:
Magnet: None.
Battery: 6 dry
Propeller Diameter: 14"
Propeller Pitch: 16"

Hoisting Engines
Hoisting Engine Kind: Meitz & Weise
Engine RPMs: 360 rmpm
Engine Diameter: 7"
Engine Stroke: 8"
Engine Boiler:
Engine Maker and Date:
Serial Number: 2042
Cylinders and Size:
Horsepower: 6 HP
Fuel: Kerosine
Hoist Starter:
Hoist Miscellaneous:

General Information:
Boats on Station: In boat house