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. |