Report for Grassy Island North Channel Range Rear Beacon (Michigan) - 1909

General
District: 10th
Inspector: Chas. Bartlett, Chief Clerk & Norris Works, Supt.
Location: In 5.5' of water, 2000', S 26 degrees - 56 W in rear of Front Beacon.
Date of Report: 02/03/1909
Latitude: 42° 13' 28"
Longitude: 83° 08' 21"
Premises
Site: In navigable waters of the US
Date of Reservation:
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: Beacon surrounded by an embankment protected with rip-rap stones.
Area Inclosed:
Character of Soil:
Distance of tower from Nearest High-Water Mark:
Inclosures to Premises / Type of Fence: Not inclosed
Wharf or Landing on Premises:
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: From front beacon: by board walk about 2000' long, on embankment between the beacons.
Distance to Nearest Road: Ecorse, 1 mile
Distance to Post Office: Ecorse, 1 mile
Distance to Village: Ecorse, 1 mile
Facilities for Public Conveyance: To Ecorse, by L.S & M.S. RR or by MI Cent. RR or by electric car.
Facilities for Private Conveyance: Row or sail boat from Ecorse to station about 1 mile.
Means Used for Support of Lantern: Tower
Number of Separate Lights: 1
First Built or Established: 1897
Last Rebuilt, Repaired, or Renovated:
Condition at This Date: Good
Shape of Tower in Plan: Square
Form of Tower: Pyramidal
Height from Base to Ventilator Ball: 47' 9"
Height of Focal Plane Above Mean High Water: 50'
Background of Lighthouse as Seen from Sea:
Color of Tower: Light straw, white trim
Color of Tower/ How Produced: Paint
Tower Connection: Dwelling at front beacon
Object of Navigation: Forms a range with Front Beacon for main channel, Detroit River.
Building Materials: Wood
General Description:
Wall Thickness at Base: 10"
Wall Thickness at Parapet: 10"
Diameter at Base: 15' 2" sq.
Diameter at Parapet: 8' 7" sq.
Kind of Stairway and Steps: Wooden, hand oil finish
Number of Landings: 3
Size of Glass: 10" x 12"
Number of Windows and Size of Sash: 8 double sash, 4 lts to each sash.
Number of Doors: 1 double, swinging out & swinging in.
Kind of Foundation and Depth Below Surface: Beacon rests on 4 parallel concrete walls resting on piles.
Character of Soil Surrounding the Lighthouse: Marsh
Soil Susceptibility: Yes
Miscellaneous Remarks: Embankment between & area about beacons, which was thrown up when the station was built, was extensively repaired when washed away & otherwise injured in 1900. At front beacon, there is a good growth of grass, with sev. fruit trees in bearing.
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern: Polygonal
Diameter to Glass: 6' 10"
Diameter in the Clear:
Number of Sides: 8
Type of Bars: Vertical
Thickness of Bars:
Height Glazed: 36"
Number of Plates in Height: One
Number of Plates Each Side: One
Thickness of Plates: 1/4"
Size of Plates: 1 - 36x36"; 2 - 30 1/4" x 36"
Number of Storm Panes: None
Unglazed Side of Lantern: 5 - 225 degrees
What Bearings: Bearings:N 85-34 W to S 40 -34 E; Azimuth: 274-26 to 139-26; Bearing of range S 26 degrees 56' W, Glazed 67.5 degrees each side of range line.
Construction Material Lantern: Wood
Construction Material Roof / Cowl: Wood, covered with copper & lined with zinc.
Ventilator / Cowl: Copper
Lightning Spindle: Copper, with platinum tip.
Description of Lightning Rod: 3/8" solid copper & led down side of tower into moist earth.
Balustrade: Wooden balcony covered with copper, iron pipe hand rail.
Lantern Doors: 1 double, swinging in & swinging out.
Floor of Lantern: Wood
Watchroom Doors: None
Parapet Diameter: 6' 6"
Ventilators
Location / Number: 4 in parapet wall, with brass revolving discs
Ladders / Cleaning Arrangement: None
Curtain Hooks / Hanger: Brass, screwed into corner posts.


Watchroom
How is Watchroom Fitted: Floor below lantern fitted with small table, with inclosed shelves, door & corner shelves.
How is Relief Called:
Where is Call System Led:
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles:
Name of Maker:
Year Made:
Marks and Number: 3 No. 9
Order of Apparatus: 90 degrees lens lantern
Inside Diameter: 11 13/16"
Light Characteristic: Fixed red
Time of Revolution:
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part: 90 degrees visible between Bearing S 18 - 04 E to S 71 - 56 W; Azimuth 161-56 to 251-56; 45 degrees each side of range.
Number of Panels: 1
Number of Flash Panels:
Arc of Each: Bearing of range line S 26 degrees - 56 degrees W
Number of Elements in Central Drum:
Number of Prisms Above Center Drum: 3
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: Wooden octagonal, also serves as newel post at top of stairs
Service Table: Wooden, over stairs, shelves underneath
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: Ruby chimney
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description: 5th order
Type of Illuminant:
Number of Spare Lamps: 2
Number of Spare Burners:
Candle Power:


Vapor Oil Lamp
Number of Wicks or Mantels: 1 wick
Diameter of Outside Wick: 1 1/4"
Diameter of Mantel:
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use: 1st floor fitted with large closet under stairs
Oil House Description: Oil stored in sq. iron oil house at Front Beacon.
Oil House Inside Dimension:
Oil House Construction Material:
Oil House Capacity:
Other (Describe):
Suitability: