Report for Sentinel Island Light-station (Alaska) - 1932
| General |
| District: | 13th |
| Inspector: | Various |
| Location: | On island of same name northern part of Favorite Channel. |
| Date of Report: | 10/14/1932 |
| Latitude: | 58° 32' 40" |
| Longitude: | 134° 55' 12" |
| 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: | By gas boat from Juneau, 43 miles, via south side Douglas Island or 25 miles over Mendenhall Bar. Mail service by special arrangement, which varies. |
| Means to Reach Light Station: | |
| 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 building 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: | 82 feet |
| Background of Lighthouse as Seen from Sea: | Sky or timbered shoreline. |
| Color of Tower: | White building, lead color trimmings, brown roof. |
| Color of Tower/ How Produced: | Painted. |
| Tower Connection: | Surmounts keeper's 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: | Located on a small, rocky, flat topped partly timbered islet. |
| Soil Susceptibility: | |
| Miscellaneous Remarks: | No communication with station by telegraph or telephone. Station has radio communication when there is a keeper on station who can send & receive |
| Lantern and Fixtures |
| Order of Lantern: | 4th order |
| 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, opper covered floor; octagonal, balustrade 2' 7" high. |
| Lantern Doors: | Has 1 - iron, hinged, with lock. |
| Floor of Lantern: | Wood, 7/8" x 4' T&G. |
| Watchroom Doors: | None. |
| Parapet Diameter: |
| Ventilators |
| Location / Number: | In lantern parapet |
| Ladders / Cleaning Arrangement: | Wodden 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: | 8000 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 0.9 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: | None |
| 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: | Plashes produced by flashing mechanism located in generating room, Asst. Keeper's basement. |
| Number of Vertical Elements Panel: | |
| Fixed Lens Covered: | |
| Pedestal: | Cast iron ring at floor; 4 iron posts with polished brass sleeves supporting a steel plate 19" diam. & polished brass intermediate disc. |
| Service Table: | |
| Draft Tube Description: | Draft tube to ventilator 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 light |
| Red Sectors Description: | None. |
| Where Color Attached: | |
| Form of Colored Glass: | |
| Lamp Description: | 300 watt, 110 volt, PS 35 clear Mogul base. |
| Type of Illuminant: | Electricity |
| Number of Spare Lamps: | 2-4th order 1 wick Funk-Heep oil lamps for emergency relief. |
| Number of Spare Burners: | |
| Candle Power: | 8000 through lens. |
| Occulting Light |
| Characteristic: | Group Flashing white every 10 sec., thus; flash 0.3 sec., eclipse 0.9 sec., flash 0.3 sec., eclipse 4.5 sec. |
| Time Limit: | Not known |
| Eclipse Type: | |
| Size and Amplitude: | |
| Axis Rotation: | |
| Axis Relation: | |
| Screen Revolution: | |
| Screen Number: | |
| Screen Time: | |
| Screen Form: | |
| Screen Mounting: | |
| Screen Order: | |
| Screen Date: | |
| Valve Maker: | |
| Valve Pattern: | |
| Reliability: |
| Closets and Store Rooms |
| Tower Closet Use: | Locker on attic floor level. |
| Oil House Description: | 125 feet NW of dwelling & 60 ft. NE of fog signal building. |
| Oil House Inside Dimension: | 7'10" x 11'4" x 8'3" high |
| Oil House Construction Material: | Wood frame & inside ceiling; outside walls & roof cor. galvanized sheet iron; concrete foundation & floor. |
| Oil House Capacity: | 980 |
| Other (Describe): | Lockers in pantry; closet in each bedroom. |
| Suitability: | Suitable |
| Fog Signal General |
| Fog Signal Kind: | Type "C" Air Diaphone (established Feb. 8, 1925) |
| Time to Start: | 10 minutes. |
| How Long Will Pressure Last: | 6 minutes |
| Manufacturer: | |
| Year of Manufacture: | |
| Characteristic: | Blast 5 sec. Silent 25 sec., Blast 5 sec., Silent 25 sec. |
| Duplication: | Engine, compressor & air receiver. 3rd class Daboll reed horn in reserve. |
| Timing Device: | Chain tripping gear driven by engine. |
| If whistle, siren, or trumpet, Pressure at Which Blown: | 30 lbs. |
| Height Above Water: | 55 feet |
| 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 fet. true. |
| Water Supply: | Rain water from roof. 2 concrete cisterns under building, each 4' x 8.5' x 4' deep. |
| 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, Superior air-tight #218. |
| Pressure And Recording Gauge: | 4" |
| Internal Combustion Signal |
| Fog Signal Kind: | |
| Internal Combustion Kind: | Charter-Mietz Vertical Oil Engine & Compressor. |
| Internal Combustion Manufacturer: | Charter Gas Engine Co., Sterling, Ill. |
| Internal Combustion Date: | July 1926 |
| Internal Combustion Size: | 7" x 8" |
| Internal Combustion Horsepower: | 9 |
| Internal Combustion Fuel: | Diesel oil |
| Internal Combustion Starter: | By heating iron ball using blow-torch primed with |
| Compressor Maker: | Charter Gas Eng. Co. |
| Compressor Seat: | Same bed, direct connected. |
| Compressor Machinery: | |
| Compressor Diameter: | 7" |
| Compressor Stroke: | 8" |
| Compressor RPMs: | 400 rpm |
| Character of Air Inlet: | Disc 4.5" |
| Kind of Unloader: | Spring compression |
| Diameter of Delivery Pipe: | 2" |
| 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" |
| Air Receiver |
| Number: | 2 |
| Diameter: | 3.5 feet |
| Height: | 7' 10" |
| Capacity Cubic Feet: | 76 feet |
| 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 room, bath & woodshed. |
| Number of Dwellings: | 1 double |
| Heating Plant: | Hot water, B-8 Capitol Red Top Water boiler in keeper's basement, heats entire building. |
| Number of Keepers: | 1 with family. |
| Furnished Quarters: | Both keepers & their families. |
| NOT Furnished Quarters: | None |
| Outhouses: | Oil house, shop, boat house, hoist house, 2 toilets, chincken house. |
| Outhouse Coloring: | White with lead color trimmings. |
| 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: | Monarch |
| Stove, Size: | Pro. 7559 |
| Sink, Maker: | |
| Sink, Size: | |
| Pump, Maker: | |
| Pump, Size: | |
| Lamps: |
| Water |
| How Procured: | Rain water from roof of dwelling |
| Quality: | Good. |
| Quantity: | Ample |
| Injury Possible: | No. |
| Purity Precaution: | Each cistern under dwelling, used for drinking water, has brick filter wall. |
| Tank Capacity: | 2 @ 970 cu. ft. |
| Tank Material: | All concrete. |
| Distilling Apparatus: | False |
| Distilling Manufacturer: | |
| Well Description: | |
| Well Diameter: | |
| Well Lining: | |
| Pump or Bucket: | Pump from cistern |
| What Power Used: | Hand pump & electric pump for each dwelling |
| Distance from Dwelling: | Under dwelling |
| Healthfulness |
| General Opinion: | Healthful |
| Diseases: | |
| Prevalency: | |
| Local Causes: | |
| Recommended Improvements: |
| Miscellaneous |
| Access to Lighthouse: | Wharf 28.5" x 47': foundation consists of iron cased concrete piers built on rock; outer piling is creosoted outer face of wharf is at low water line. Steamers cannot go alongside; small boat can go alongside at any stage of tides. |
| Distance and Direction: | 350 feet, 128 degrees true. |
| Miscellaneous Remarks: | Boathouse 15' x 18.5' and 22.5' long on wharf. Tram leads upgrade from wharf over trestle to shore & at point about 100' from wharf makes nearly right angle bend, continues upgrade to dwelling then around another bend to oil house. Stiff leg derrick on wh |
| Boats |
| Boat #1 | |
| Boat Number: | 88 |
| Type: | Dinghy |
| Length: | 4'4" |
| Width: | 15' |
| When Built: | 1931 |
| Date Harbored at Station: | Oct. 1931 |
| Sails: | False |
| Suited to Work: | Yes |
| Boat #2 | |
| Boat Number: | 22 |
| Type: | Launch |
| Length: | 5'8" |
| Width: | 18' |
| When Built: | Not known |
| Date Harbored at Station: | Sept. 30, 1915 |
| Sails: | False |
| Suited to Work: | Yes |
| Boat #3 | |
| Boat Number: | 82 |
| Type: | Skiff |
| Length: | 54" |
| Width: | 14' |
| When Built: | Purchased Aug. 1930 |
| Date Harbored at Station: | Aug. 1930 |
| Sails: | False |
| Suited to Work: | Yes |
| Power Boat |
| Engine Type: | Palmer "Litte Husky" |
| Horsepower: | 10-15 |
| Engine Maker: | Palmer Bros., Coscob, Conn. |
| Spare Coil: | |
| Magnet: | |
| Battery: | Dry. 1 hotshot, 5-cell. |
| Propeller Diameter: | 12" |
| Propeller Pitch: | 14" |
| Hoisting Engines |
| Hoisting Engine Kind: | Gass |
| Engine RPMs: | 350 rpm |
| Engine Diameter: | 6.25" |
| Engine Stroke: | 7.75" |
| Engine Boiler: | None |
| Engine Maker and Date: | Fairbanks Moras & Co., 1916 |
| Serial Number: | #118168 |
| Cylinders and Size: | 1 |
| Horsepower: | 6 hp |
| Fuel: | Gasoline |
| Hoist Starter: | |
| Hoist Miscellaneous: |
| Miscellaneous |
| General Information: | Launch is open but has spray hood forward. |
| Boats on Station: | In boat house on wharf. |