Report for Isle Royal (Michigan) - 1910

General
District: 9th
Inspector: Oliver G. Brown
Location: Isle Royal Light Station, on Menagerie Island, Mich. S'ly side of the entrance to Siskiwit Bay, S'ly side of Isle Royale, N'ly side of Lake Superior.
Date of Report: 09/15/1910
Latitude: 47° 56' 54"
Longitude: 88° 45' 37"
Premises
Site: Reservation T64N, R35 & 36W. Mich. Miredian
Date of Reservation: 01/03/1874
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 3.5 acres
Area Inclosed: None
Character of Soil: Dark red had sand stone
Distance of tower from Nearest High-Water Mark: About 50 feet
Inclosures to Premises / Type of Fence: None
Wharf or Landing on Premises: 2 landing, 1 at westerly end of island and 1 in front of dwelling.
Road to Land or Wharf Chararacter of and Distance: None
Means to Reach Light Station: By boat only
Distance to Nearest Road:
Distance to Post Office: Port Arthur, Can. 75 miles; Duluth, Minn. about 175 miles
Distance to Village: Keweena Point-Portage Lake ship Canal, 50 miles
Facilities for Public Conveyance: Booth Line steamers will stop in front of station to deliver mail & pick up passengers.
Facilities for Private Conveyance: Launch from Tobins Harbor or Washington Harbor- each about 26 miles, or tug from Port Authur, Can.
Means Used for Support of Lantern: Tower
Number of Separate Lights: 1
First Built or Established: 1875
Last Rebuilt, Repaired, or Renovated:
Condition at This Date: Good
Shape of Tower in Plan: Octagonal
Form of Tower: Pyramidal
Height from Base to Ventilator Ball: 61 feet
Height of Focal Plane Above Mean High Water: 75 feet
Background of Lighthouse as Seen from Sea:
Color of Tower: White
Color of Tower/ How Produced: Whitewash
Tower Connection: Tower connected to keeper's dwelling by covered paggage 8' 8" long.
Object of Navigation: Coast light & guide into Siskiwit Bay.
Building Materials: Native hard red sand stone, rubble walls.
General Description:
Wall Thickness at Base: Outer wall 40"; air space 2"; inner wall 8"
Wall Thickness at Parapet: Outer wall 10"; air space 2"; inner wall 4"
Diameter at Base: 16 feet
Diameter at Parapet: 10' 9"
Kind of Stairway and Steps: Circular cast iron stair; no rail.
Number of Landings: 3 landings & lantern floor.
Size of Glass: 10" x 14"
Number of Windows and Size of Sash: 4 window, double fold, each sash 32.5" x 13.5"
Number of Doors: 1 single fold iron door leads from passage into tower at first floor.
Kind of Foundation and Depth Below Surface: Solid rock
Character of Soil Surrounding the Lighthouse: All sand stone rock.
Soil Susceptibility: Very little grass & few trees grow on the island.
Miscellaneous Remarks: White octagonal tower connected by a covered way with a dark brown dwelling - all of stone.
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern: Polygonal
Diameter to Glass: 8' 11.5"
Diameter in the Clear:
Number of Sides: 10
Type of Bars: Vertical
Thickness of Bars:
Height Glazed: 39.5"
Number of Plates in Height: 1
Number of Plates Each Side: 1
Thickness of Plates: 5/16"
Size of Plates: 40" x 27"
Number of Storm Panes: None
Unglazed Side of Lantern: All sides glazed
What Bearings:
Construction Material Lantern: Upper & lower parts of cast iron, lower part is lined inside with vertical wood ceiling.
Construction Material Roof / Cowl: Cast iron, pyramidal done, lined inside with sheet zinc. Small tin cone lens protector is attached to roof.
Ventilator / Cowl: Cast iron.
Lightning Spindle: Copper with platinum tip.
Description of Lightning Rod: A 2" x 1/8" copper strip is attached to balcony floor & runs down outside of tower, over rocks into lake.
Balustrade: 2 rails; upper is a 2" x 1/2" iron bar. lower is a 2.5" x 3/8" iron bar, vertical stanchions with ball tops. Floor is cast iron & octagonal in plan.
Lantern Doors: Single fold cast iron door leads into lower part of lantern fron outside balcony.
Floor of Lantern: Cast iron floor, Iron trap door leads to stair.
Watchroom Doors: No watch room.
Parapet Diameter: 6' 7"
Ventilators
Location / Number: 5 vfentilators in parapet.
Ladders / Cleaning Arrangement: None
Curtain Hooks / Hanger: Hooks screwed to upper end of vertical bars.


Watchroom
How is Watchroom Fitted: No watch room
How is Relief Called:
Where is Call System Led:
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles:
Name of Maker: Henry LePaute
Year Made: Unknown
Marks and Number: None
Order of Apparatus: 4th
Inside Diameter: 19 11/16"
Light Characteristic: Fixed white
Time of Revolution: Fixed
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part: 90 degrees
Number of Panels: 4
Number of Flash Panels: None
Arc of Each:
Number of Elements in Central Drum: 5
Number of Prisms Above Center Drum: 5
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: Pedestal is cylindrical & cast iron bolted to lantern floor.
Service Table: Cast iron service table fastened to pedestal & supported at outer end by iron bars fastened to pedestal.
Draft Tube Description: None
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:
How Color is Produced:
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description: Funck Heap
Type of Illuminant:
Number of Spare Lamps: 1
Number of Spare Burners: 1
Candle Power:


Vapor Oil Lamp
Number of Wicks or Mantels: 1
Diameter of Outside Wick: 1.5"
Diameter of Mantel:
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use: 1 cupboard at top landing used for storing cleaning rags, etc.
Oil House Description: About 100 feet W'ly from tower
Oil House Inside Dimension: 7.5 feet x 9.5 feet x 9.5 feet high
Oil House Construction Material: Concrete blocks
Oil House Capacity:
Other (Describe): 5 closets, 4 on 2nd floor & 1 on 1st floor. Basement used for stor room.
Suitability: Dry & suitable.
Fog Signal General
Fog Signal Kind: No fog signal
Time to Start:
How Long Will Pressure Last:
Manufacturer:
Year of Manufacture:
Characteristic:
Duplication:
Timing Device:
If whistle, siren, or trumpet, Pressure at Which Blown:
Height Above Water:
Compass Direction:
Location:
Distance and Direction:
Water Supply:
Reached from Lighthouse:
Description of Fog Signal Building:
Pressure And Recording Gauge:
Dwelling
Location: Tower is connected with dwelling by covered passage 8' 6" long
Coloring: Red
Construction Materials: Red native sandsone, random rubble.
Number of Rooms:
Number of Dwellings: 1 keeper & family & 1 asst. to dwelling.
Heating Plant:
Number of Keepers:
Furnished Quarters:
NOT Furnished Quarters:
Outhouses: Privy, paint-house, work-shop & boat house.
Outhouse Coloring: All outbuildings white except privy.
Paths and Walks: Conrete walks connect dwelling to all outhouses.
Area Inclosed: None enclosed
Area of Garden: None
Area Timber or Shrubbery: None
Cultivation Area Available: None
Area Cultivated: None
Character of Surroundings: All sand stone rock.
Stove, Maker:
Stove, Size:
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
Lamps:
Water
How Procured: Water from lake for all purposes.
Quality: Good
Quantity:
Injury Possible:
Purity Precaution: No cistern.
Tank Capacity:
Tank Material:
Distilling Apparatus: False
Distilling Manufacturer:
Well Description: No well
Well Diameter:
Well Lining:
Pump or Bucket:
What Power Used:
Distance from Dwelling:
Healthfulness
General Opinion: Healthfulness excellent
Diseases: None
Prevalency:
Local Causes:
Recommended Improvements:
Miscellaneous
Access to Lighthouse: Boat house is 12' x 38' in plan & is approaced from the dwelling by 450' of concrete walk. The landing is built at N boat house, water is 5' deep at end of landing. Small platform for landing near dwelling. Wooden stairs lead from top of bank to landing.
Distance and Direction: Boat house & landing is about 450' SW from light-house. Crib landing is being worn away by ice. At water's edge, logs are worn to a depth of 6" in some place. Landing is very exposed & should be protected by a breakwater.
Miscellaneous Remarks: Tower & premisies are in good condition. Concrete walks built from dwelling to all outhouses and a concrete platform is to be built around tower & dwelling. Outhouse used as shop is in bad cond & should be replaced.