Report for Cheboygan Crib (Michigan) - 1910
General |
District: | 9th |
Inspector: | Oliver G. Brown |
Location: | Cheboygan Crib Lt. Sta., on the W'ly side of the dredged channel into the mouth of Choboygan River, Mich. |
Date of Report: | 06/30/1910 |
Latitude: | 45° 39' 48" |
Longitude: | 84° 27' 34" |
Premises |
Site: | Submarine site at mouth of Cheboygan River, Mich. |
Date of Reservation: | |
Date of Deed: | |
Date of Permission: | |
Date of Lease: | |
Area of the Entire Site: | |
Area Inclosed: | |
Character of Soil: | |
Distance of tower from Nearest High-Water Mark: | |
Inclosures to Premises / Type of Fence: | |
Wharf or Landing on Premises: | Boat can land at crib in quiet water. |
Road to Land or Wharf Chararacter of and Distance: | |
Means to Reach Light Station: | By boat from Cheboygan, Mich., only. |
Distance to Nearest Road: | 1 mile to D. & C. boat landing. |
Distance to Post Office: | 1 mile to Cheboygan PO |
Distance to Village: | 1 mile to Cheboygan |
Facilities for Public Conveyance: | None. |
Facilities for Private Conveyance: | |
Means Used for Support of Lantern: | Tower. |
Number of Separate Lights: | 1 |
First Built or Established: | 1884 |
Last Rebuilt, Repaired, or Renovated: | 1903 |
Condition at This Date: | Excellent. |
Shape of Tower in Plan: | Octagonal. |
Form of Tower: | Pyramidal. |
Height from Base to Ventilator Ball: | 41' |
Height of Focal Plane Above Mean High Water: | 26' 8" |
Background of Lighthouse as Seen from Sea: | |
Color of Tower: | White |
Color of Tower/ How Produced: | Paint |
Tower Connection: | Connected to dwelling directly at 1st floor. |
Object of Navigation: | Harbor light. Guide to Cheboygan River. |
Building Materials: | Cast iron plates outside & lined with vertical wood ceiling inside. |
General Description: | |
Wall Thickness at Base: | 1/2" cast iron plates. |
Wall Thickness at Parapet: | 1/2" cast iron plates. |
Diameter at Base: | 13' 3" |
Diameter at Parapet: | 9' 4" |
Kind of Stairway and Steps: | 1 flight of circ. iron stairs with pipe railing. |
Number of Landings: | 1 landing at watch room floor. |
Size of Glass: | 11" x 12" |
Number of Windows and Size of Sash: | 3 windows in tower, 2' 5" x 1' 3", 4-circ. windows in watch room. |
Number of Doors: | 1 2-fold iron door leads from dwelling into tower at base. |
Kind of Foundation and Depth Below Surface: | Timber crib below water line. Filled with rip-rap and covered with a flooring of concrete-superstructure of paving brick up to 8' 6" above water level. |
Character of Soil Surrounding the Lighthouse: | |
Soil Susceptibility: | |
Miscellaneous Remarks: | Tower is buildon a crib 38' 6" sq. on top. Crib is bricked about water level & covered with steel plates below. A concrete walk 5' wide is built all around outside of crib. |
Lantern and Fixtures |
Order of Lantern: | 4th |
Shape of Lantern: | Plygonal. |
Diameter to Glass: | 7' 3/4" |
Diameter in the Clear: | |
Number of Sides: | 8 |
Type of Bars: | Vertical. |
Thickness of Bars: | |
Height Glazed: | 2' 11" |
Number of Plates in Height: | 1 |
Number of Plates Each Side: | 1 |
Thickness of Plates: | 5/16" |
Size of Plates: | 2' 7-1/8" x 3' 1/4" |
Number of Storm Panes: | None. |
Unglazed Side of Lantern: | All sides glazed. |
What Bearings: | |
Construction Material Lantern: | Lower part cast iron; upper part wrot iron. |
Construction Material Roof / Cowl: | 8 sided pyramidal roof-copper plates outside & lined with zinc inside. A tin cone lens protector is fastened to dome of roof by vertical rods. |
Ventilator / Cowl: | Copper |
Lightning Spindle: | Copper with platinum point. |
Description of Lightning Rod: | None. |
Balustrade: | Upper rail is cast iron; lower rail is wrot iron 2" x 1/2". 1-1/2" ball top stanchions. Floor of gallery is cast iron & octagonal in plan. |
Lantern Doors: | 1 2-fold cast iron door leads from parapet to outside gallery. |
Floor of Lantern: | Cast iron. |
Watchroom Doors: | A square trap door leads from watch room to lantern - approach is made by an iron ladder. |
Parapet Diameter: | 6' 6" |
Ventilators |
Location / Number: | 4 ventilators in parapet. |
Ladders / Cleaning Arrangement: | |
Curtain Hooks / Hanger: | Hooks screwed to soffit. |
Watchroom |
How is Watchroom Fitted: | W tch room has 4 circ. windows 15" diam. & equipped with 1 shelf for hoding service box, etc. |
How is Relief Called: | None. |
Where is Call System Led: |
Illuminating Apparatus |
Kind of Apparatus: | |
Intensity in Candles: | |
Name of Maker: | Barbier, Bernard & Tirenne, Paris |
Year Made: | Unknown |
Marks and Number: | None. |
Order of Apparatus: | 4th |
Inside Diameter: | 1' 7-13/16" |
Light Characteristic: | Fixed red. |
Time of Revolution: | Not movable. |
Flash Interval: | No flashes |
Duration of Flash: | |
Arc of Each Fixed Part: | |
Number of Panels: | 4 |
Number of Flash Panels: | None. |
Arc of Each: | |
Number of Elements in Central Drum: | 5 |
Number of Prisms Above Center Drum: | 6 |
Number of Prisms Below Center Drum: | 4 |
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: | 4 hollow brass stanchions flanged to cast iron plate which is bolted to lantern floor. |
Service Table: | |
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: | Produced by red glass chimney on lamp. |
Red Sectors Description: | |
Where Color Attached: | |
Form of Colored Glass: | |
Lamp Description: | Fk. Hp. |
Type of Illuminant: | Oil |
Number of Spare Lamps: | 1 |
Number of Spare Burners: | None. |
Candle Power: |
Vapor Oil Lamp |
Number of Wicks or Mantels: | |
Diameter of Outside Wick: | 1.5" |
Diameter of Mantel: | |
Diameter of Circum Circle: |
Closets and Store Rooms |
Tower Closet Use: | None. |
Oil House Description: | Underneath tower. |
Oil House Inside Dimension: | 10' 0" |
Oil House Construction Material: | Concrete. |
Oil House Capacity: | |
Other (Describe): | 1 closet on 1st floor, Cellar under dwelling. |
Suitability: | Dry & suitable. |
Fog Signal General |
Fog Signal Kind: | Fog bell on skeleton iron fog bell tower, white. |
Time to Start: | |
How Long Will Pressure Last: | |
Manufacturer: | |
Year of Manufacture: | |
Characteristic: | 1 stroke every 10 seconds. |
Duplication: | |
Timing Device: | Single No. 3 Gamewell striker, 4 line hoist. |
If whistle, siren, or trumpet, Pressure at Which Blown: | |
Height Above Water: | |
Compass Direction: | |
Location: | Fog bell tower is located in NW corner of crib. |
Distance and Direction: | |
Water Supply: | |
Reached from Lighthouse: | |
Description of Fog Signal Building: | Fog bell tower is built entirely of steel. The lower parts are composed of heavy angles & lower part is enclosed on the NE & NW sides by stell plates. Upper part is enclosed on all sides by stell plates & house the striking mach. Iron stairs lead from flo |
Pressure And Recording Gauge: |
Bell Signal |
Weight: | 1200 lbs. |
Metal: | Gun metal bronze |
Diameter: | |
Height: | |
Time: | 2.5 hours |
Manufacturer: | |
Weights for Operation: |
Dwelling |
Location: | Connected directly to tower. |
Coloring: | Red. |
Construction Materials: | Frame building. |
Number of Rooms: | 2 rooms |
Number of Dwellings: | 1 |
Heating Plant: | |
Number of Keepers: | 1 |
Furnished Quarters: | |
NOT Furnished Quarters: | |
Outhouses: | None. |
Outhouse Coloring: | |
Paths and Walks: | None. |
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: |
Water |
How Procured: | From lake. |
Quality: | |
Quantity: | |
Injury Possible: | |
Purity Precaution: | |
Tank Capacity: | None. |
Tank Material: | |
Distilling Apparatus: | False |
Distilling Manufacturer: | |
Well Description: | |
Well Diameter: | |
Well Lining: | |
Pump or Bucket: | Bucket from lake. |
What Power Used: | |
Distance from Dwelling: |
Miscellaneous |
Access to Lighthouse: | |
Distance and Direction: | |
Miscellaneous Remarks: | 2 new boat cranes have also been built & are attached to east side of the fog bell tower. Cranes are built of channel. Boats are raised & lowered by a hand winch. Iron ladder is provided on the E. face of pier. |