Report for Grosse Isle South Channel Rear Beacon (Michigan) - 1909

General
District: 10th
Inspector: Chas. Bartlett, Chief Clerk & Norris Works, Supt.
Location: Near N'ly end of Grosse Isle, about 1493' N 17 degrees 25' W from Front Beacon on N'ly prolongation of axis of Ballard Reef dredged channel.
Date of Report: 02/03/1909
Latitude: 42° 11' 19"
Longitude: 83° 08' 30"
Premises
Site: Purchased
Date of Reservation:
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 20.66 acres. Area above water about 1493' + 50' + 32' = 49376 sq. ft = 1.13 acres.
Area Inclosed: Not inclosed
Character of Soil: Marshy, much soil
Distance of tower from Nearest High-Water Mark: Surrounded by embankment & that by water & marsh
Inclosures to Premises / Type of Fence: None
Wharf or Landing on Premises: Boathouse at Front Beacon
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: By boardwalk, 2' wide along embankment 1493' from Front Beacon.
Distance to Nearest Road: About 1 1/4 miles to Wyandotte, MI.
Distance to Post Office: 1 1/4 miles to Wyandotte, MI.
Distance to Village: 1 1/4 miles to Wyandotte, MI.
Facilities for Public Conveyance: To Wyandotte by MCRR or LS & MS RR or by electric RR
Facilities for Private Conveyance: By row boat from Wyandotte, MI.
Means Used for Support of Lantern: Tower
Number of Separate Lights: One
First Built or Established: 1891 - completed April 14, 1895
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' 3"
Height of Focal Plane Above Mean High Water: 50'
Background of Lighthouse as Seen from Sea: Sky
Color of Tower: White
Color of Tower/ How Produced: Paint
Tower Connection: At front beacon
Object of Navigation: Range light, Detroit River channel.
Building Materials:
General Description:
Wall Thickness at Base: 10"
Wall Thickness at Parapet: 10"
Diameter at Base: 14' 4"
Diameter at Parapet: 8' 7"
Kind of Stairway and Steps: Straight, up to watchroom, winding thence to lantern
Number of Landings: 2 intermediate
Size of Glass: 6 windows each with 2 sash.
Number of Windows and Size of Sash: Each sash with 4 lts., 10" x 12"
Number of Doors: 1 double, 1 swinging out & 1 swinging in.
Kind of Foundation and Depth Below Surface: Concrete, on piles, placed 1906
Character of Soil Surrounding the Lighthouse: Clay
Soil Susceptibility: No
Miscellaneous Remarks:
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern: Polygonal
Diameter to Glass: 6' 8.5"
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: 2 side plates, 32" x 35"; 1 center plate, 34" x 35"
Number of Storm Panes: None
Unglazed Side of Lantern: 5 = 225 degrees
What Bearings: Bearing N 50 deg 05' E to N 84 deg 55' W; Azimuth: 50 deg 05' to 275 deg 05'; Bearing of range = N 17 deg -25' W 67.5 deg. each side of range.
Construction Material Lantern: Wood
Construction Material Roof / Cowl: Wood. covered with copper
Ventilator / Cowl: Copper
Lightning Spindle: Copper, gold plated platinum point
Description of Lightning Rod: Copper, soldered to spindle, led down side of tower into water.
Balustrade: Wood. covered with galv. iron, Iron pipe railing.
Lantern Doors: Double wooden, 1 swinging out & 1 swinging in.
Floor of Lantern: Hard wood, oiled.
Watchroom Doors: None
Parapet Diameter: 6' 6 3/4"
Ventilators
Location / Number: 4 brass, revolving in parapet walls
Ladders / Cleaning Arrangement: None
Curtain Hooks / Hanger: None


Watchroom
How is Watchroom Fitted: With closets, cleaning shelf & small shelf for oil can.
How is Relief Called:
Where is Call System Led:
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles:
Name of Maker: Henry LePaute, A Paris
Year Made: Installed March 1908
Marks and Number: None
Order of Apparatus: 5th
Inside Diameter: 14 3/4"
Light Characteristic: Fixed red
Time of Revolution:
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part: 270 degrees visible for 135 deg. Bearing N 84 degrees 55' W to N 50 degrees 05' W; Azimuth: 275 - 05 to 50 05; 67.5 degrees on each side of range. Bearing of range N 17 degrees-35 W
Number of Panels: 3
Number of Flash Panels:
Arc of Each:
Number of Elements in Central Drum:
Number of Prisms Above Center Drum: 7
Number of Prisms Below Center Drum: 5
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: Wood, octagonal, forms newel at top of stairs.
Service Table: Wood, over stairs, shelf 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 chimneys
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description: 5th order
Type of Illuminant:
Number of Spare Lamps: 3
Number of Spare Burners: None
Candle Power:


Vapor Oil Lamp
Number of Wicks or Mantels: 1 round wick
Diameter of Outside Wick: 1 1/4"
Diameter of Mantel:
Diameter of Circum Circle:
Closets and Store Rooms
Tower Closet Use: 3 corner closets, fitted with shelves & doors. Large closet under stairs on 1st floor.
Oil House Description: Red, square, iron, oil house, located at Front Beacon.
Oil House Inside Dimension:
Oil House Construction Material:
Oil House Capacity:
Other (Describe):
Suitability: Dry, suited