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.