Report for Marquette Breakwater Light Station (Michigan) - 1909

General
District: 9th
Inspector: Ralph B. Tinkham
Location: Marquette Breakwater light station, On the S'ly end of the breadwater, Marquette Harbor. S'ly shore of Lake Superior, Mich.
Date of Report: 06/19/1909
Latitude: 46° 32' 11.4"
Longitude: 87° 22' 43.7"
Premises
Site: Permission to occupy by War Department
Date of Reservation:
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: On end of breadwater.
Area Inclosed:
Character of Soil:
Distance of tower from Nearest High-Water Mark:
Inclosures to Premises / Type of Fence:
Wharf or Landing on Premises: Direct on breadwater pier.
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: By boat or by walking out on the breadwater, which is concrete to within 50' of tower, then wood crib decked 4' above water. A tunnel extends whole length of concrete pier, nearly 1/2 mile.
Distance to Nearest Road: In the harbor of Marquette.
Distance to Post Office: Marquette.
Distance to Village: Marquette.
Facilities for Public Conveyance: None.
Facilities for Private Conveyance: Launch or rowboat from any landing in Marquette.
Means Used for Support of Lantern: Tower.
Number of Separate Lights: 1
First Built or Established: 1875
Last Rebuilt, Repaired, or Renovated: Entirely rebuilt 1908
Condition at This Date: Excellent
Shape of Tower in Plan: Square
Form of Tower: Pyramidal skeleton, upper part inclosed.
Height from Base to Ventilator Ball: 36 feet
Height of Focal Plane Above Mean High Water: 40 feet
Background of Lighthouse as Seen from Sea: City of Marquette, wooded bluffs.
Color of Tower: White with black lantern.
Color of Tower/ How Produced: Paint.
Tower Connection: Detached. Dwelling is attached to Marquette Main Light on shore.
Object of Navigation: Harbor light.
Building Materials: Steel angles and tie rods.
General Description:
Wall Thickness at Base:
Wall Thickness at Parapet: 6" frame walls of service room.
Diameter at Base: 14' 0"
Diameter at Parapet: 10' 0"
Kind of Stairway and Steps: 2 straidght flights, Cast iron, 7" treads, 5" rise, 1" round hand rail.
Number of Landings: 1 cast iron plate
Size of Glass: 10" x 12"
Number of Windows and Size of Sash: 3 4 lite windows in service room. Sash 24" x 28.5" casement.
Number of Doors: 1 wood trap door in floor of service room. 4' 4" x 2' 7"
Kind of Foundation and Depth Below Surface: Built on wood crib pier end.
Character of Soil Surrounding the Lighthouse: None.
Soil Susceptibility:
Miscellaneous Remarks: Upper part of tower is enclosed forming watchroom, service room & containing fog-bell apparatur. Wood siding & ceiled inside, maple floor, 7' 10.5" floor to ceiling. Shaft for weights operating fog-bell of wood, 34" x 42" between service rm & deck of pier
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern: Polygonal.
Diameter to Glass: 7' 0"
Diameter in the Clear: 6' 5.75"
Number of Sides: 8
Type of Bars: Vertical.
Thickness of Bars:
Height Glazed: 2' 11 3/8"
Number of Plates in Height: 1
Number of Plates Each Side: 1
Thickness of Plates: 5/16"
Size of Plates: 35.75" x 32.5"
Number of Storm Panes: Provision for 8, none in place. Extras on hand.
Unglazed Side of Lantern: None
What Bearings:
Construction Material Lantern: Cast iron parapet, wrought iron verticals; parapet lined with steel plate.
Construction Material Roof / Cowl: Ryramidal, cast iron, lined with zinc. Tin cone lens protector beneath ventilator shaft of cowl.
Ventilator / Cowl: Cast iron.
Lightning Spindle: Brass with platinum tip.
Description of Lightning Rod: None
Balustrade: Gallery of cast iron plates, 13' 4" sq. Balustrade of 2" pipe rails, pipe stanchions & fittings, is 3' high.
Lantern Doors: A 2-fold cast iron door in parapet leading to gallery. Lined with steel plate & has brass fittings.
Floor of Lantern: Cast iron flanged plates, diamond surface.
Watchroom Doors: Iron plate trap door in floor of lantern fitted with brass hinges & an iron ring handle.
Parapet Diameter: 6' 6.25"
Ventilators
Location / Number: 4 in parapet, brass register valves inside, openings in cast iron plates outside but no hoods or protectors.
Ladders / Cleaning Arrangement: None.
Curtain Hooks / Hanger: Brass hooks screwed to soffit.


Watchroom
How is Watchroom Fitted: Fitted as service room containing cleaning table, small table, glass-box, also fog bell apparatus.
How is Relief Called:
Where is Call System Led:
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles:
Name of Maker: Henry Lepaute, Paris
Year Made: Not given.
Marks and Number: None.
Order of Apparatus: 4th
Inside Diameter: 19 5/8"
Light Characteristic: Fixed.
Time of Revolution:
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part:
Number of Panels: 3 fixed panels each 90 degrees to 270 degrees, 1 blank panel 90 degrees.
Number of Flash Panels:
Arc of Each: 90 degrees
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: Old pattern, cast iron, 16.5" circular top supporting lens.
Service Table: None.
Draft Tube Description: None.
Revolving Machinery:
Standby and Description:
Chariot Float or Balls:
Chariot Description: For moving the apparatus by hand in cleaning, the lens is mounted on 4 1.75" wheels on cross & ring, locked to pedestal with pin.
Length of Drop Tube:
Clock Weight:
Length of Winding Time:
Drive During Rewind:
Machinery Protection:
Regulated:
Lens Protection:
How Color is Produced: By ruby incandescent electric light globe.
Red Sectors Description:
Where Color Attached: To illuminating apparatus.
Form of Colored Glass:
Lamp Description: This light is a 50 cp electric incancescent light, having a ruby globe supported, base down, on a small circular pedestal at the focal plane. Power from local electric plant & wires thru tunnel in brackwater & up tower to light.
Type of Illuminant:
Number of Spare Lamps: 2 spare oil lamps for emergency
Number of Spare Burners: 1 burner for each oil lamp
Candle Power:
Closets and Store Rooms
Tower Closet Use: None.
Oil House Description: Same as Marquette Light Station.
Oil House Inside Dimension:
Oil House Construction Material:
Oil House Capacity:
Other (Describe): See Marquette LS. None connected with this tower.
Suitability:
Fog Signal General
Fog Signal Kind: Fog Bell
Time to Start:
How Long Will Pressure Last:
Manufacturer: Gamewell Fire Alarm Telegraph Co; NY
Year of Manufacture: Unknown
Characteristic: Single blow every 5 seconds.
Duplication: None.
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:
Bell Signal
Weight: 1200 lbs.
Metal: Bronze
Diameter: 40"
Height: 30"
Time:
Manufacturer:
Weights for Operation:
Dwelling
Location: Same as for Marquette LS
Coloring:
Construction Materials:
Number of Rooms:
Number of Dwellings:
Heating Plant:
Number of Keepers:
Furnished Quarters:
NOT Furnished Quarters:
Outhouses:
Outhouse Coloring:
Paths and Walks:
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available:
Area Cultivated:
Character of Surroundings:
Stove, Maker:
Stove, Size:
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
Lamps: