Report for Sentinel Island Lightstation (Alaska) - 1921
General |
District: | 18th |
Inspector: | Various |
Location: | On island of same name northern part of Favorite Channel. |
Date of Report: | 06/03/1921 |
Latitude: | 58° 32' 40" |
Longitude: | 134° 54' 37" |
Premises |
Site: | Public lands reserved by Executive Order |
Date of Reservation: | 01/06/1901 |
Date of Deed: | |
Date of Permission: | |
Date of Lease: | |
Area of the Entire Site: | 6.55 acres |
Area Inclosed: | None. |
Character of Soil: | |
Distance of tower from Nearest High-Water Mark: | 110 feet. |
Inclosures to Premises / Type of Fence: | None. |
Wharf or Landing on Premises: | Small wharf with derrick. |
Road to Land or Wharf Chararacter of and Distance: | |
Means to Reach Light Station: | By gas boat from Juneau, 38 miles.Weekly mail service from Juneau by gas boat. No communication with station by telegraph, telephone or radio. |
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: | Lantern surmounts square tower rising from 2 story frame builidng used as dwelling. |
Number of Separate Lights: | 1 |
First Built or Established: | 1902 |
Last Rebuilt, Repaired, or Renovated: | No extensive repairs |
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: | 52 feet |
Background of Lighthouse as Seen from Sea: | Sky or timbered shoreline. |
Color of Tower: | White building, red roof |
Color of Tower/ How Produced: | Painted. |
Tower Connection: | Surmounts keepers dwelling. |
Object of Navigation: | For general navigation of main inside passage via Favorite Channel & Lynn Canal. |
Building Materials: | Wood, concrete foundation. |
General Description: | |
Wall Thickness at Base: | |
Wall Thickness at Parapet: | |
Diameter at Base: | |
Diameter at Parapet: | |
Kind of Stairway and Steps: | Wood stairway, iron ladder in tower. |
Number of Landings: | |
Size of Glass: | 10" x 10" |
Number of Windows and Size of Sash: | 6 - 2' 0" x 2' 0" |
Number of Doors: | 1 - 2' 4" x 6' 4" |
Kind of Foundation and Depth Below Surface: | |
Character of Soil Surrounding the Lighthouse: | |
Soil Susceptibility: | |
Miscellaneous Remarks: | Located on a small, rocky, flat topped, partly timbered islet. Vessels may pass on either side but the Channel on western side is the 1 most used. |
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: | |
Height Glazed: | 3' 1.25" |
Number of Plates in Height: | 1 & 2, alternating |
Number of Plates Each Side: | |
Thickness of Plates: | 1/4" |
Size of Plates: | 2' 1.081" x 2' 1.081" |
Number of Storm Panes: | |
Unglazed Side of Lantern: | None. |
What Bearings: | None. |
Construction Material Lantern: | Iron, bronze, brass, glass. |
Construction Material Roof / Cowl: | Conical, iron, zinc lining. |
Ventilator / Cowl: | Iron, 17" diameter. |
Lightning Spindle: | Brass, platinum point. |
Description of Lightning Rod: | |
Balustrade: | Wood, copper covered floor; octagonal, 2' 7" high. |
Lantern Doors: | 1 iron, hinged with lock. |
Floor of Lantern: | Wood; 7/8" x 4" toung & Grove. |
Watchroom Doors: | None. |
Parapet Diameter: |
Ventilators |
Location / Number: | In lantern parapet. |
Ladders / Cleaning Arrangement: | Wooden step ladder. |
Curtain Hooks / Hanger: | Spring roller curtains, brass hangers. |
Watchroom |
How is Watchroom Fitted: | None. |
How is Relief Called: | None. |
Where is Call System Led: |
Illuminating Apparatus |
Kind of Apparatus: | |
Intensity in Candles: | 600 cp |
Name of Maker: | Henry lepaute, paris |
Year Made: | Unknown |
Marks and Number: | None. |
Order of Apparatus: | 4th |
Inside Diameter: | 19.68" |
Light Characteristic: | Group Flashing white every 10 sec., thus; flash 0.3 sec., eclipse 0.2 sec., flash 0.3 sec., eclipse 4.5 sec. |
Time of Revolution: | |
Flash Interval: | |
Duration of Flash: | |
Arc of Each Fixed Part: | |
Number of Panels: | 4; 360 degrees lens. |
Number of Flash Panels: | |
Arc of Each: | |
Number of Elements in Central Drum: | 5 |
Number of Prisms Above Center Drum: | 6 |
Number of Prisms Below Center Drum: | 3 |
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 ring at floor; 4 iron post with polished brass sheeves supporting a steel plate 19" diam. & a polished brass intermediate disc. |
Service Table: | |
Draft Tube Description: | Draft tube to bentilator ball, no damper. |
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: | |
Regulated: | |
Lens Protection: | No. |
How Color is Produced: | White |
Red Sectors Description: | None. |
Where Color Attached: | |
Form of Colored Glass: | |
Lamp Description: | |
Type of Illuminant: | Acetylene |
Number of Spare Lamps: | No spare flasher, 2 4th order, 1 wick Funk-Heep oil lamps for emerg relief. |
Number of Spare Burners: | 1 spare 1.25 ft. AGA burner. |
Candle Power: | 54 cp of burner |
Compressed Gas |
Gas Container: | 2 - A-5C AGA |
Compressed Gas Capacity: | 180 ft. |
Compressed Gas Charge: | 150 to 200 lbs. |
How Supply Renewed: | Substitution of containers |
At What Intervals: | Every 6 months; delivery by tenders. |
Spare Containers: | 2 (in transit) |
Gas Light |
Gas Light Kind: | Acetylene in acetone. |
Gas Light Number of Burners: | 1 |
Kind of Burner: | AGA flat flame |
Candlepower Per Burner: | 54 cp |
Total Candlepower: | |
Consumption Gas Burner Per Hour: | 1.25 cu.ft. |
Total Consumption Per Hour: | 1.25 cu. ft approx. |
How Gas Obtained: | From containers installed on 1st floor of tower. |
Occulting Light |
Characteristic: | Group Flashing white every 10 sec., thus; flash 0.3 sec., eclipse 0.2 sec., flash 0.3 sec., eclipse 4.5 sec. |
Time Limit: | Not known |
Eclipse Type: | Valve. |
Size and Amplitude: | |
Axis Rotation: | |
Axis Relation: | |
Screen Revolution: | |
Screen Number: | |
Screen Time: | |
Screen Form: | |
Screen Mounting: | |
Screen Order: | |
Screen Date: | |
Valve Maker: | American Gas Accumulator Co. |
Valve Pattern: | Double flasher KK130 |
Reliability: | Not entirely reliable. |
Closets and Store Rooms |
Tower Closet Use: | Locker on attic floor level. |
Oil House Description: | 125 ft. NW of dwelling & 60 ft. NE of fog signal building. |
Oil House Inside Dimension: | 8' 3" high, 7' 10" x 11' 4" in plan. |
Oil House Construction Material: | Wood frame with cor. galv. sheet iron for walls, roof, ceiling. Concrete foundation and floor. |
Oil House Capacity: | 980 |
Other (Describe): | Lockers in pantry; closet in each bed room. |
Suitability: | Suitable. |
Fog Signal General |
Fog Signal Kind: | 3rd class Daboll reed horn |
Time to Start: | 10 minutes. |
How Long Will Pressure Last: | 6 minutes. |
Manufacturer: | |
Year of Manufacture: | |
Characteristic: | 5 sec. blast, 25 sec. silent, 5 sec. balst, 25 sec. silent. |
Duplication: | Engine, comperssor & air receiver. |
Timing Device: | Chain tripping gear driven by engine. |
If whistle, siren, or trumpet, Pressure at Which Blown: | 10 lbs. |
Height Above Water: | 55 ft. |
Compass Direction: | 246 degrees |
Location: | In separate building, near westerly side of island, the horn pointing toward channel on that side of island. |
Distance and Direction: | 160 feet 300 degrees true. |
Water Supply: | Rain water form roof. |
Reached from Lighthouse: | By concrete walk. |
Description of Fog Signal Building: | 1 story frame building 20' x 20'; concrete foundation & floor; white with red shingle roof; heated by coal heater. |
Pressure And Recording Gauge: | 4" |
Internal Combustion Signal |
Fog Signal Kind: | |
Internal Combustion Kind: | Mietz & Weiss, Oil |
Internal Combustion Manufacturer: | August Mietz, New York |
Internal Combustion Date: | 1908 |
Internal Combustion Size: | 6" x 6.5" |
Internal Combustion Horsepower: | 4 hp |
Internal Combustion Fuel: | Kerosene |
Internal Combustion Starter: | Kerosene torch |
Compressor Maker: | Clayton Air Compressor Co., 1901 |
Compressor Seat: | Same bed - chain driven |
Compressor Machinery: | |
Compressor Diameter: | 6" |
Compressor Stroke: | 7" |
Compressor RPMs: | |
Character of Air Inlet: | 1.25"" |
Kind of Unloader: | 1.25" |
Diameter of Delivery Pipe: | 1.25" |
Daboll Signal |
Daboll: | 3rd class |
Daboll Reed: | |
Daboll Length: | 8-7/16" |
Daboll Breadth: | 2.25" |
Daboll Base Thickness: | 3/8" |
Daboll Tip Thickness: | 3/16" |
Trumpet Signal |
Trumpet: | 3rd class |
Trumpet Length: | 12' |
Trumpet Diameter: | 3" to 40" |
Trumpet Material: | Copper |
Air Receiver |
Number: | 2 |
Diameter: | 3' 6" |
Height: | 7' 10" |
Capacity Cubic Feet: | 76 ft. each |
Pressure in Each: | 30 lbs. |
Make of Reducing Valve: | None. |
Remarks: |
Dwelling |
Location: | In same building, double dwelling |
Coloring: | White with red roof. |
Construction Materials: | Wood; 2 story frame building, shingle roof, concrete foundation & basement. |
Number of Rooms: | 6 rrom, bath & woodshed |
Number of Dwellings: | 1 double |
Heating Plant: | Hot air; R.B. & Co.'s "Perfect" No. 347. Has coal heater in each dining room, generally used instead of ot air furnace. |
Number of Keepers: | 1 each. |
Furnished Quarters: | Both keepers & their families. |
NOT Furnished Quarters: | Nont. |
Outhouses: | Oildhouse, shop, boat house, hoist house, 2 toilets, chinckenhouse. |
Outhouse Coloring: | White with lead color trimming. |
Paths and Walks: | Concrete walk connecting dwelling with fog-signal building & oil house. |
Area Inclosed: | |
Area of Garden: | |
Area Timber or Shrubbery: | |
Cultivation Area Available: | 1/8 acre |
Area Cultivated: | 1/16 acre. |
Character of Surroundings: | Rocky, covered with thin layer of soil; island timbered, except where cleared. |
Stove, Maker: | Bridge & Beach Manufacturing |
Stove, Size: | #168-20 |
Sink, Maker: | |
Sink, Size: | 18" x 30" |
Pump, Maker: | Douglas |
Pump, Size: | #2 |
Lamps: | 15th order table lamp, 3 hand lamps |
Water |
How Procured: | Rain water from roof of fog signal bld. & dwelling. |
Quality: | Good. |
Quantity: | Ample. |
Injury Possible: | No. |
Purity Precaution: | Each cistern under dwelling use for drinking water, has brick filter. |
Tank Capacity: | Cistern under woodshed of each dwelling, 970 gals each. |
Tank Material: | All concrete. |
Distilling Apparatus: | False |
Distilling Manufacturer: | |
Well Description: | |
Well Diameter: | |
Well Lining: | |
Pump or Bucket: | |
What Power Used: | |
Distance from Dwelling: |
Healthfulness |
General Opinion: | Healthful |
Diseases: | |
Prevalency: | |
Local Causes: | No. |
Recommended Improvements: |
Miscellaneous |
Access to Lighthouse: | Wharf 20' x 40'; foundation consists of iron cased concrete piers built on rock; outer face of wharf is at low water line. Steamers can not go a longside. |
Distance and Direction: | 350 feet 128 degrees true. |
Miscellaneous Remarks: | Tram leads from wharf over trestle to shore & at a point 100 ft. from wharf makes a right angle bend & continues to rear of dwelling, then around another bend to oil house. Stiff leg derrick on wharf. Hoist located at 1st bend in track |
Boats |
Boat #1 | |
Boat Number: | 6 |
Type: | Dinghy |
Length: | 4' 10" |
Width: | 14' |
When Built: | Not known |
Date Harbored at Station: | Nov.7, 1916 |
Sails: | True |
Suited to Work: | Yes. |
Boat #2 | |
Boat Number: | 22 |
Type: | Launch |
Length: | 5' 8" |
Width: | 18' |
When Built: | Unknown |
Date Harbored at Station: | Sept. 30, 1915 |
Sails: | False |
Suited to Work: |
Power Boat |
Engine Type: | Sheffield Marine |
Horsepower: | 4.5 HP |
Engine Maker: | Farbands Morese & Co. |
Spare Coil: | Jump spark. Patroit coil compandy No. 89 |
Magnet: | None |
Battery: | Dry Hatshet 5 cell |
Propeller Diameter: | 12" |
Propeller Pitch: | 18" |
Hoisting Engines |
Hoisting Engine Kind: | Gas |
Engine RPMs: | 350 rpm |
Engine Diameter: | 6.25" |
Engine Stroke: | 7.75" |
Engine Boiler: | None. |
Engine Maker and Date: | Fairbanks Morse & Co., 1916 |
Serial Number: | 118168 |
Cylinders and Size: | 1 vertical |
Horsepower: | 6 HP |
Fuel: | Gasoline |
Hoist Starter: | |
Hoist Miscellaneous: | Double drum |
Miscellaneous |
General Information: | Boathouse 15' x 18.5' on wharf. 1 pair boat davites on outer face of wharf. |
Boats on Station: | In boat hosue on Wharf. |