Report for Detroit River Light Station (Michigan) - 1885

General
District: 10th
Inspector: Chas. E. L. B. Davis, Capt. of Engrs. 10th LH Dist
Location: Near mouth of Detroit River, Lake Erie, MI. In 22' of water, 6 1/7 miles below Bois Blanc light
Date of Report: 09/03/1885
Latitude: 42° 00' 00"
Longitude: 83° 08' 22"
Premises
Site: Submarine
Date of Reservation:
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 10 acres
Area Inclosed:
Character of Soil:
Distance of tower from Nearest High-Water Mark: 11' from base of tower
Inclosures to Premises / Type of Fence: Pier railing - composed of 2" wrought iron pipe with detachable chain-railing in vicinity of boat crane. 8 house chocks, & iron snubbing posts are located in most suitable locations.
Wharf or Landing on Premises: Foundation of Tower - stone pier.
Road to Land or Wharf Chararacter of and Distance: 7 miles to Amherstburg, Ont.
Means to Reach Light Station:
Distance to Nearest Road:
Distance to Post Office: Amherstburg, Ont., 7 miles.
Distance to Village: Amherstburg, Ont., 7 miles.
Facilities for Public Conveyance: None
Facilities for Private Conveyance: By boat from Amherstburg, Ont.
Means Used for Support of Lantern: Cast iron tower
Number of Separate Lights: 1
First Built or Established: 1885
Last Rebuilt, Repaired, or Renovated:
Condition at This Date: New
Shape of Tower in Plan: Cylindrical
Form of Tower:
Height from Base to Ventilator Ball: Focal plane 45'
Height of Focal Plane Above Mean High Water: 56'
Background of Lighthouse as Seen from Sea: Distant trees
Color of Tower: Brown
Color of Tower/ How Produced: Iron ore paint.
Tower Connection: Keepers (3) occupy tower as dwelling.
Object of Navigation: Range for entering & leaving mouth of the River.
Building Materials: Iron, 1st 3 stories lined with brick & plastered with cement finish; 4th story, watchroom & lantern ceiled with 7/8" ceiling.
General Description: Tower of cast iron shell, shell 3/4" in thickness.
Wall Thickness at Base: 12" brick lining.
Wall Thickness at Parapet: Ceiled with wood 7/8" ceiling.
Diameter at Base: 22'
Diameter at Parapet: 18'
Kind of Stairway and Steps: Cast iron. circular, continuous against brick lining.
Number of Landings: 3
Size of Glass: 20" x 20" - circular windows 12" dia.
Number of Windows and Size of Sash: 8 - 20" x 20" & 15 circular, each 12"
Number of Doors: 13
Kind of Foundation and Depth Below Surface: Water tight timber crib filled with concrete 23' 6" below lake level (water).
Character of Soil Surrounding the Lighthouse: None
Soil Susceptibility: None
Miscellaneous Remarks: A water closet 3' x 5' is located in NE corner of house, furnished with a "Buick", hopper, flushed from tank, a 6" wrought iron soil pipe with the blow-off of 2 boilers to cleanse the same.
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern:
Diameter to Glass: 7'
Diameter in the Clear:
Number of Sides: 10
Type of Bars:
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: 26.5" x 36"
Number of Storm Panes:
Unglazed Side of Lantern:
What Bearings:
Construction Material Lantern: Cast iron
Construction Material Roof / Cowl: Cast iron
Ventilator / Cowl: Cast iron, lined with 1/32" sheet zinc.
Lightning Spindle: Brass, fire gilded & fitted with platinum point, 2" long.
Description of Lightning Rod: Pinnacle secured to cowl by nut.
Balustrade: Cast iron posts with top & bottom rail of wrought iron.
Lantern Doors: Fitted with 2 gun metal hinges
Floor of Lantern: Cast iron.
Watchroom Doors: Wrought iron trap door.
Parapet Diameter:
Ventilators
Location / Number: Lower part of parapet
Ladders / Cleaning Arrangement: None - none necessary
Curtain Hooks / Hanger: 10 Brass curtain hooks screwed into astragals.


Watchroom
How is Watchroom Fitted: Table & cupboard
How is Relief Called: None
Where is Call System Led:
Illuminating Apparatus
Kind of Apparatus: 2.5 hours
Intensity in Candles:
Name of Maker:
Year Made:
Marks and Number:
Order of Apparatus: 4th
Inside Diameter:
Light Characteristic: Fixed white by white flashes.
Time of Revolution: Fixed white for 1 minute, followed in next minute by 6 white flashes at 10 sec intervals.
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part: Entire horizon.
Number of Panels:
Number of Flash Panels:
Arc of Each:
Number of Elements in Central Drum: 7
Number of Prisms Above Center Drum: 9
Number of Prisms Below Center Drum: 6
Does Apparatus Revolve?: True
Is There a Revolving Belt?: False
Revolving Panels:
How Flash is Produced:
Number of Vertical Elements Panel:
Fixed Lens Covered:
Pedestal: Iron
Service Table: None
Draft Tube Description:
Revolving Machinery: Revolving
Standby and Description:
Chariot Float or Balls:
Chariot Description:
Length of Drop Tube: 8'
Clock Weight:
Length of Winding Time: 2.5 hours
Drive During Rewind:
Machinery Protection: In case
Regulated: By governor
Lens Protection:
How Color is Produced:
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description:
Type of Illuminant:
Number of Spare Lamps:
Number of Spare Burners:
Candle Power:


Clock Cord Description
Revolving Cord: Wire
Size of Clock Cord:
Length of Clock Cord:
How Led: Passes thru floor of lantern on E side then follows ceiling of watchroom to W side of tower, then passes thru floor of watchroom into 4th story.
Diameter and Length of Clock Drum:
Closets and Store Rooms
Tower Closet Use: 7 - fitted with shelves & hooks. 3 closets in 1st story, in brick lining of tower, fitted with 3 shelves, 13.5" deep & 3' wide. 2 closets each in 2nd & 3rd stories, fitted with 3 shelves each.
Oil House Description: Oil house space partitioned off under fog signal & fitted with shelves.
Oil House Inside Dimension: 14' wide x 19' long
Oil House Construction Material:
Oil House Capacity:
Other (Describe): Closets in tower used for this purpose: Closets in 1st story used for kitchen. 2nd & 3rd story closets for use of Principal & 2 Asst. keepers. Cupboard 4' wide, 8' high, 1' deep in 4th story for keeping brushes, wicks, chimneys, etc.
Suitability: Suitable.
Fog Signal General
Fog Signal Kind: 10" whistle & machinery in duplicate. Locomotive Boiler & vertical engines.
Time to Start:
How Long Will Pressure Last:
Manufacturer:
Year of Manufacture:
Characteristic: Blasts of 5 sec duration, followed by silent interval of 25 sec.
Duplication:
Timing Device:
If whistle, siren, or trumpet, Pressure at Which Blown:
Height Above Water:
Compass Direction:
Location: Situated N of Lighthouse with special object of warning vessels of Bar Point Shoals entering & leaving Detroit River, MI.
Distance and Direction: 2.5'
Water Supply: Lake, & water tank (of boiler iron)
Reached from Lighthouse:
Description of Fog Signal Building: Fog signal house of corrugated iron, painted brown, 22' x 30', built of 6" x 6" studding, 2" planking placed diagonally outside & ceiled w/ 1" flooring inside, roof covered w/ corrugated iron, inside lined w/ sheet iron & painted light color.
Pressure And Recording Gauge:
Water
How Procured: From lake
Quality:
Quantity: Ample
Injury Possible: No
Purity Precaution: None
Tank Capacity: None
Tank Material: None
Distilling Apparatus: False
Distilling Manufacturer:
Well Description:
Well Diameter:
Well Lining:
Pump or Bucket: Pump & bucket from lake
What Power Used:
Distance from Dwelling:
Miscellaneous
Access to Lighthouse: Stone Pier, 85' x 43' 6". Boat cranes - 1 in SW angle of pier secured to tower & 1 in NW end angle secured to fog signal house.
Distance and Direction:
Miscellaneous Remarks:
Tools And Accessories
Lantern Curtains:
Lens Covers:
Damper Tube and Key:
Spare Damper and Key:
Carillon for Overflow Pump:
Time Marker:
Gauge:
Spare Lamp Ready for Use:
Rod Lamp Ready for Use:
Curtain Hanger:
Heater:
Spare Lamp Cover:
Lamp Stand:
Mechanical Lamp Cords:
Revolving Machinery Cords: 1 in use, of wire rope
Revolving Machinery Weights: Cast iron - 6.5" in drain, x 2" thick.
Clutch:
Spare Fly Or Governor:
Gauge for Oil Cistern:
Feather Brushes:
Linen Towels:
Sponges:
Chamois Skins:
Scissors:
Chimney Filters:
Coupling Pliers:
Service Box and Implements:
Cleaning Materials:
Keepers Aprons:
Wicks: