Report for Scotch Cap Light Station (Alaska) - 1917

District: 16th
Inspector: Various
Location: On southwest end of Unimak Island, easterly side of Unimak Pass.
Date of Report: 05/19/1917
Latitude: 54° 23' 52"
Longitude: 164° 44' 40"
Site: Public land, set aside by Executive Order.
Date of Reservation: 08/29/1901
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 4264 acres
Area Inclosed: None
Character of Soil:
Distance of tower from Nearest High-Water Mark: 100 feet
Inclosures to Premises / Type of Fence:
Wharf or Landing on Premises: None except beach.
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: Reached by boat about 75 miles from Unalaska (Dutch Harbor)
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 tower rising from center of 1 story octagonal frame building.
Number of Separate Lights: 1
First Built or Established: 1903
Last Rebuilt, Repaired, or Renovated:
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: 90 feet
Background of Lighthouse as Seen from Sea: Bluff & slopes partly eroded & partly covered with grass, green in summer & light color in spring & fall; white with snow in winter.
Color of Tower: White
Color of Tower/ How Produced: Paint.
Tower Connection: Detached.
Object of Navigation: For general navigation from the Pacific Ocean to the Bering Sea through Unimak Pass.
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: Circular, wooden.
Number of Landings:
Size of Glass: 10" x 18"
Number of Windows and Size of Sash: 4 - 2' 0" x 3' 6"
Number of Doors: 2 - 2' 8" x 6' 8" & 2' 2" x 6' 0"
Kind of Foundation and Depth Below Surface:
Character of Soil Surrounding the Lighthouse:
Soil Susceptibility:
Miscellaneous Remarks:
Lantern and Fixtures
Order of Lantern: 3rd
Shape of Lantern: Cylindrical
Diameter to Glass: 8' 7.132"
Diameter in the Clear:
Number of Sides:
Type of Bars: Helical
Thickness of Bars: 7/8"
Height Glazed: 6' 1.25"
Number of Plates in Height: 2
Number of Plates Each Side:
Thickness of Plates: 1/4"
Size of Plates: 2' 1.081" 2' 1.081"
Number of Storm Panes:
Unglazed Side of Lantern: None
What Bearings:
Construction Material Lantern: Cast iron, brass, bronze, glass.
Construction Material Roof / Cowl: Conical, cast iron.
Ventilator / Cowl: Cast iron; 21.5" diameter
Lightning Spindle: Brass with platinum point, 2' 0 7/8" high.
Description of Lightning Rod:
Balustrade: 2' 10" high; wood.
Lantern Doors: 1 curved hinged; iron, brass & glass.
Floor of Lantern: Wood, double 7/8" x 4" T & G with Galv. Nails
Watchroom Doors: None.
Parapet Diameter:
Location / Number: In lantern parapet.
Ladders / Cleaning Arrangement: 1, 12 feet iron portable.
Curtain Hooks / Hanger: Spring rollers with brass brackets.

How is Watchroom Fitted: None.
How is Relief Called: Telephones.
Where is Call System Led: From station to dwelling out of keepers,
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles: 2300 cp
Name of Maker:
Year Made:
Marks and Number:
Order of Apparatus: 3rd
Inside Diameter: 39.37"
Light Characteristic: Fixed white.
Time of Revolution:
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part:
Number of Panels: 5, 1 of which is a reflector.
Number of Flash Panels: None.
Arc of Each:
Number of Elements in Central Drum: 13
Number of Prisms Above Center Drum: 11
Number of Prisms Below Center Drum: 4
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: Cast iron; centrally supported, 22.75" high, 18" diam. at base.
Service Table:
Draft Tube Description: Has draft tube, 3" diameter.
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: Curtain, 2 pices, linen.
How Color is Produced:
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description: 2nd order, plunger
Type of Illuminant: Oil
Number of Spare Lamps: 1
Number of Spare Burners: 2
Candle Power: 120 cp

Vapor Oil Lamp
Number of Wicks or Mantels: 3
Diameter of Outside Wick: 2 17/32"
Diameter of Mantel:
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use: 2 lockers used for storing chimneys & spare parts of lamps & linen lens curtains, towels, etc.
Oil House Description: 2, 115' & 145' from tower.
Oil House Inside Dimension: 7' 11" x 11' 4.5"
Oil House Construction Material: Wood & corr. iron.
Oil House Capacity: 980 cans.
Other (Describe): 2 closets in vestibule; 1 locker under sink.
Suitability: Suited.
Fog Signal General
Fog Signal Kind: Diaphone type "F" operated by compressed air, a 10" whistle for emergency use.
Time to Start: 10 minutes.
How Long Will Pressure Last: 6 minutes
Year of Manufacture:
Characteristic: 4 sec blast, 56 sec. silent
Duplication: 3 engines & air compressors, 2 air tanks. Diaphone & whistle apparatus are each separately complete.
Timing Device: Special timer by Diaphone Signal Co.
If whistle, siren, or trumpet, Pressure at Which Blown: 28 lbs.
Height Above Water: 72 feet
Compass Direction: Vertical
Location: In same building as light.
Distance and Direction:
Water Supply: Unlimited; piped from spring on hill to cistern above level of buildings. 40 lbs. pressure in building.
Reached from Lighthouse:
Description of Fog Signal Building:
Pressure And Recording Gauge: 2, Corsby Steam Gauge Co.
Internal Combustion Signal
Fog Signal Kind:
Internal Combustion Kind: Hornsby-Akroyd
Internal Combustion Manufacturer: De La Vergna refrigerating Machine Co.
Internal Combustion Date: 1901
Internal Combustion Size: 11" x 15"
Internal Combustion Horsepower: 13
Internal Combustion Fuel: Kerosene
Internal Combustion Starter: 3rd District torch.
Compressor Maker: Ingersoll-Sargent Air Compressor Co.
Compressor Seat: Same bed & geared
Compressor Machinery:
Compressor Diameter: 8"
Compressor Stroke: 8"
Compressor RPMs:
Character of Air Inlet: 3"
Kind of Unloader: Herron & Burry, Erie, Pa.
Diameter of Delivery Pipe: 2"

Whistle Signal
Whistle Diameter: 10"
Whistle Height: 30"
Whistle Orifice:
Whistle Tone:
Whistle Chime:
Location: 3 dwellings, only 1 occupied.
Coloring: White, lead trimmings.
Construction Materials: Concrete basement, frame houses.
Number of Rooms: 8
Number of Dwellings: 3
Heating Plant: #202 hot water heater (Perfect) 8 radiators.
Number of Keepers: All in 1 dwelling
Furnished Quarters: All
NOT Furnished Quarters:
Outhouses: 1 barn.
Outhouse Coloring: White; lead trimmings.
Paths and Walks: Concrete walk connecting tower & dwellings
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available: None.
Area Cultivated: None.
Character of Surroundings: Tundra
Stove, Maker: Majestic
Stove, Size: 6 lid
Sink, Maker:
Sink, Size: 18" x 28"
Pump, Maker:
Pump, Size:
Lamps: 1 table lamp, 2 hand lamps.
How Procured: From spring & piped into dwellings & fog signal building.
Quality: Excellent.
Quantity: Ample
Injury Possible: No.
Purity Precaution: Brick filter wall in upper cistern.
Tank Capacity: 2 underground cisterns, 11,600 gal. total
Tank Material: Concrete.
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket:
What Power Used:
Distance from Dwelling:
General Opinion: Excellent
Diseases: Insanity.
Prevalency: No.
Local Causes: No.
Recommended Improvements: NO.
Access to Lighthouse: Portable tram from beach to bank. permanent tram from bank thru the barn to the light & fog signal building.
Distance and Direction: 600 feet, 78 true.
Miscellaneous Remarks: Fairbanks-Morse hoist located in small building near the light & fog signal building. M & W hoist located in barn.
Boat #1
Boat Number: 33
Type: Dinghy
Length: 4' 9"
Width: 18' 0"
When Built:
Date Harbored at Station: 1902
Sails: False
Suited to Work: Yes
Boat #2
Boat Number: 35
Type: Skiff
Length: 4' 0"
Width: 14' 2"
When Built:
Date Harbored at Station: 1910
Sails: False
Suited to Work: Yes.
Boat #3
Boat Number: 39
Type: Dory
Length: 5' 4"
Width: 19' 0"
When Built: 1914
Date Harbored at Station: 1914
Sails: False
Suited to Work: Yes

Power Boat
Engine Type: Outboard
Horsepower: 3.5 HP
Engine Maker: Caille Perfection Motor Co.
Spare Coil:
Magnet: High tension buildt in magneto
Battery: 3 dry batteries in box.
Propeller Diameter:
Propeller Pitch:

Hoisting Engines
Engine #1
Hoisting Engine Kind: Fairbanks-Morse
Engine RPMs: 350 rpm
Engine Diameter:
Engine Stroke:
Engine Boiler:
Engine Maker and Date: Fairbanks-Morse
Serial Number: 153427
Cylinders and Size:
Horsepower: 9 hp
Hoist Starter:
Hoist Miscellaneous:
Engine #2
Hoisting Engine Kind: Mietz & Weiss
Engine RPMs:
Engine Diameter:
Engine Stroke:
Engine Boiler:
Engine Maker and Date:
Serial Number:
Cylinders and Size:
Horsepower: 4 HP
Hoist Starter:
Hoist Miscellaneous:

General Information:
Boats on Station: In barn.