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: |