Report for Mary Island (Alaska) - 1938

District: 13th
Location: On NE shore of island. W'ly side of Revillagigedo Channel.
Date of Report: 04/03/1938
Latitude: 55° 06'
Longitude: 131° 10.9'
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: 227.6 acres
Area Inclosed: 2.5 acres
Character of Soil:
Distance of tower from Nearest High-Water Mark: 90'
Inclosures to Premises / Type of Fence: Board fence
Wharf or Landing on Premises:
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station:
Distance to Nearest Road:
Distance to Post Office: 22 miles by boat from Ketchikan
Distance to Village:
Facilities for Public Conveyance:
Facilities for Private Conveyance:
Means Used for Support of Lantern:
Number of Separate Lights:
First Built or Established: 1903
Last Rebuilt, Repaired, or Renovated: Rebuilt 1937
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: 74' 9"
Background of Lighthouse as Seen from Sea:
Color of Tower: White
Color of Tower/ How Produced: Medusa Cement
Tower Connection:
Object of Navigation:
Building Materials: Concrete
General Description:
Wall Thickness at Base:
Wall Thickness at Parapet:
Diameter at Base:
Diameter at Parapet:
Kind of Stairway and Steps:
Number of Landings:
Size of Glass: 28" x 28"
Number of Windows and Size of Sash: 4 windows in top landing; 3 windows below 2 light.
Number of Doors: 2 - 2' x 6' 8"; 2 - 2' 6" x 6' 8"; 2 - 3' x 7'
Kind of Foundation and Depth Below Surface:
Character of Soil Surrounding the Lighthouse:
Soil Susceptibility:
Miscellaneous Remarks: 1 story reinforced concrete bldg 20' 6" x 36' with full basement & 13' square concrete tower in front & part of main bldg. Tower is about 5 stories high.
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern: Cylindrical
Diameter to Glass: 7' 8 1/16"
Diameter in the Clear:
Number of Sides:
Type of Bars: Helical
Thickness of Bars: 3/4"
Height Glazed: 3' 1 1/4"
Number of Plates in Height: 1 & 2 alternating
Number of Plates Each Side: Circular
Thickness of Plates: 1/4"
Size of Plates: 2' 1.08" x 2' 1.08"
Number of Storm Panes:
Unglazed Side of Lantern: Completely glazed 360 degrees.
What Bearings:
Construction Material Lantern: Cast iron & bronze
Construction Material Roof / Cowl: Cast iron
Ventilator / Cowl: Cast iron
Lightning Spindle:
Description of Lightning Rod:
Balustrade: Brass with concrete corners
Lantern Doors: Iron, bronze hinges lock, glazed in upper half.
Floor of Lantern: Concrete
Watchroom Doors:
Parapet Diameter:
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles:
Name of Maker: Chance Brothers & Co
Year Made:
Marks and Number: Lighthouse Works near Birmingham
Order of Apparatus: 4th
Inside Diameter: 19 11/16"
Light Characteristic: Flash 1 sec., eclipse 1 sec., Flash 1 sec., eclipse 7 sec.
Time of Revolution:
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part:
Number of Panels: 4
Number of Flash Panels: None
Arc of Each:
Number of Elements in Central Drum: 7
Number of Prisms Above Center Drum: 6, fixed
Number of Prisms Below Center Drum: 3, fixed
Does Apparatus Revolve?: False
Is There a Revolving Belt?: False
Revolving Panels:
How Flash is Produced: By 2 LSR-700 A timers
Number of Vertical Elements Panel:
Fixed Lens Covered:
Pedestal: 4 iron columns with brass casing supporting circular steel plate, cast iron base & intermediate circular brass plate.
Service Table:
Draft Tube Description:
Revolving Machinery: Fixed lens. Door which is on shore side has 5 horizontal prismatic reflecting elements. Door panel is open above & below these elements.
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:
How Color is Produced: Ruby glass attached to inside of lantern. Btwn bearing, true 149 degrees & 165 degrees.
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description: 300 W PS-35 Mogul C. 7A Clear; 4th order oil lamp fixed
Type of Illuminant:
Number of Spare Lamps:
Number of Spare Burners:
Candle Power: 1800 R, 6000 W
Closets and Store Rooms
Tower Closet Use:
Oil House Description: 2 steel fuel oil tanks 6' x 10' 10" x 9' 7" located in N end of basement
Oil House Inside Dimension:
Oil House Construction Material: Concrete wall cast all around tanks & concrete floor cover top of tanks.
Oil House Capacity: About 4400 gal each.
Other (Describe):
Fog Signal General
Fog Signal Kind: 2 type CC diaphones are located on 2nd floor of tower
Time to Start:
How Long Will Pressure Last:
Year of Manufacture:
Characteristic: 2 blasts every 30 sec.; blast 3 sec, silent 3 sec, blast 3 sec, silent 21 sec.
Duplication: Yes
Timing Device: 2 LSR 700 A timers
If whistle, siren, or trumpet, Pressure at Which Blown:
Height Above Water: 39' 6" & 42' 3"
Compass Direction: E'ly
Distance and Direction:
Water Supply:
Reached from Lighthouse:
Description of Fog Signal Building: 1 story reinforced concrete bldg 20' 6" x 36' with full basement & 13' sq. concrete tower 5 stories high in front of & part of main bldg.
Pressure And Recording Gauge:
Internal Combustion Signal
Fog Signal Kind:
Internal Combustion Kind: 4 cyl Dir. conn'd Waukesha Oil Engine water cooled
Internal Combustion Manufacturer: Waukesha Motor Co. Serial No. 416501 (Model XBKH-48A)
Internal Combustion Date:
Internal Combustion Size: 3 3/4" x 4 3/4"
Internal Combustion Horsepower: 22.4 HP
Internal Combustion Fuel: Diesel Oil
Internal Combustion Starter: Anderson Ind. Delco Remy Model 1107902 Serial 7E12
Compressor Maker: Ingersoll Rand Co. serial No. 4OT-3341
Compressor Seat:
Compressor Machinery: 5" x 4" 80 cu ft free air per min at 40# pressure
Compressor Diameter:
Compressor Stroke:
Compressor RPMs:
Character of Air Inlet:
Kind of Unloader:
Diameter of Delivery Pipe:

Air Receiver
Number: 3 tanks
Diameter: 42"
Height: 7'
Capacity Cubic Feet: 67 cu ft. each
Pressure in Each:
Make of Reducing Valve:
Remarks: Ashcroft-Handcock Co., Inc. Bridgeport Conn. type 3192, range 120, serial # 10531 (Chart used #8046)

Auxillary Compressors
Engine Kind: Direct Connected Waukesha Oil Engine Water cooled
Engine Manufacturer: Waukesha Motor Co.
Engine Serial Number: 416500 Model XBKH-48A
Engine Cylinder Size: 3 3/4" x 4 3/4"
Engine HP: 22.4 HP
Engine Speed (RPM):
Starter: Anderson ind. Delco Remy Model 1107902 Serial 7E12
Size, Capacity, Receivers:
Remarks: Diesel Oil Fuel; Magneto American Bosch MJA4B-1102
Compressor Kind: Air cooled
Compressor Maker: Ingersoll Rand Col
Compressor Serial Number: 4OT-3342
Compressor Cylinder Size: 5" x 4"
Compressor Air Capacity: 80 cu ft. of free air per min. at 40# pressure
Compressor RPMs:

Engine Generators
Engine Kind: Direct connected Full diesel 4-cycle
Engine Manufacturer: Fairbanks Morse Co.
Engine Serial Number: Model 36A4.5DE
Number of Cylinders (Engine): 1
Engine Cylinder Size: 4.5" x 5"
Engine HP: 10 HP
Fuel: Diesel Oil
Starter: Automatic when radiobeacon starts
Date Installed: August, 1937
Generator Kind: 5 kw 110v DC
Generator Maker: Fairbanks Morse Co.
Generator Serial Number: X59301
Generator Cylinder Size: (no load 125V
Air Capacity: (Full load 118V
Number of Cylinders (Generator):

Storage Battery
Kind: Lead - acid - SO-98041
Maufacturer: Philadelphia Storage Battery Co., PA
Number of Cells: 56PW015
Cells Per Tray: 14
Capacity: 214 amp. hr
Location: Battery room basement of tower
Date Installed: June 28, 1932; Fully charged SP. GR. 1225; Charge rate @ finish 11 amps.
Location: 2 dwellings, frame, shingled roof & shingled siding. (shingled over siding 1937 & inside of dwellings refinished with composition board winter 1937-38.
Construction Materials:
Number of Rooms:
Number of Dwellings:
Heating Plant: No 1 Ideal Red flash water boiler made by American Radiator Co. Ray Oil Burner Co. Type MM - 1/50 HP 8 amp 110 V gf Serial No. 70621
Number of Keepers:
Furnished Quarters:
NOT Furnished Quarters:
Outhouses: Boathouse
Outhouse Coloring:
Paths and Walks:
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available:
Area Cultivated:
Character of Surroundings:
Stove, Maker: Monarch Malleable Range; Grote Rankin Co., Seattle
Stove, Size: 37" x 27" top 6 - 8" covers No 3836K (2)
Sink, Maker:
Sink, Size: 20" x 20" (2)
Pump, Maker: Electric, 110V, Delco Electric Co., Dayton OH
Pump, Size: Mod. 7515 Serial # 11127 (2)
How Procured: From roof of dwelling
Injury Possible:
Purity Precaution: Filtered thru double brick wall.
Tank Capacity: Cisterns underground alongside dwellings. 12,000 gal each.
Tank Material:
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket:
What Power Used:
Distance from Dwelling:
Access to Lighthouse: Inclined tramway with car, hoisting by gasoline engine. Boathouse 26' x 26' at head of inclined tramway, with turntable for diverting boats into boathouse.
Distance and Direction:
Miscellaneous Remarks: Shop machines: Foot Lathe 4.5" Swing Makers F&J Barnes Co., Rockford, IL
Boat Number: 89
Type: Dinghy
Length: 4' 4"
Width: 15'
When Built: 1932
Date Harbored at Station: 1932
Sails: False
Suited to Work:

Hoisting Engines
Hoisting Engine Kind: Vertical 4 cycle
Engine RPMs:
Engine Diameter:
Engine Stroke:
Engine Boiler:
Engine Maker and Date: Fairbanks Morse Co.
Serial Number: 135185
Cylinders and Size: Single cyl. 5 x 4.5
Horsepower: 4
Fuel: Gasoline
Hoist Starter: Hand crank
Hoist Miscellaneous: Make & brake ignition.