Report for Old Mackinac Point Light (Michigan) - 1907
General |
District: | 9th |
Inspector: | Edward L. Woodruff, Asst. Engr. 9th Dist. |
Location: | On Old Mackinac Point, S'ly side of Straits of Mackinac. |
Date of Report: | 12/03/1907 |
Latitude: | 45° 47' 18" N |
Longitude: | 84° 43' 40" W |
Premises |
Site: | 2 parcels, 1 by deed & 1 by condemnation. |
Date of Reservation: | |
Date of Deed: | 02/14/1890 |
Date of Permission: | |
Date of Lease: | |
Area of the Entire Site: | 38.450 sq. ft. |
Area Inclosed: | Entire site |
Character of Soil: | Sandy |
Distance of tower from Nearest High-Water Mark: | 144' |
Inclosures to Premises / Type of Fence: | Entire site enclosed by picket fence |
Wharf or Landing on Premises: | Wharf for landing supplies for station & Fog Signal, constructed of plank & logs. |
Road to Land or Wharf Chararacter of and Distance: | From station to landing 130' |
Means to Reach Light Station: | Mich. Cent. & Grand Rapids & Indiana RR to Mackinaw City |
Distance to Nearest Road: | Lighthouse situated on Public Road, 1/2 mile to RR station. |
Distance to Post Office: | 1/2 mile |
Distance to Village: | Situated in Mackinaw City |
Facilities for Public Conveyance: | Good |
Facilities for Private Conveyance: | 1/2 mile from RR station. |
Means Used for Support of Lantern: | Brick tower |
Number of Separate Lights: | One |
First Built or Established: | 1892 |
Last Rebuilt, Repaired, or Renovated: | Not since |
Condition at This Date: | Good |
Shape of Tower in Plan: | Circular |
Form of Tower: | Cylindrical |
Height from Base to Ventilator Ball: | 56' |
Height of Focal Plane Above Mean High Water: | 62' |
Background of Lighthouse as Seen from Sea: | To right pine & spruce forest. To left, Mackinaw City. |
Color of Tower: | Yellow |
Color of Tower/ How Produced: | Yellow brick |
Tower Connection: | Connected with dwelling on NW corner by 1-story service room. |
Object of Navigation: | Lake Coast & guide through the straits. |
Building Materials: | Brick, stone & iron. |
General Description: | |
Wall Thickness at Base: | 2 2/3' & 8" respectively with air spaces. |
Wall Thickness at Parapet: | 15" & 8" respectively with air spaces. |
Diameter at Base: | 15' stone |
Diameter at Parapet: | 13' 4" |
Kind of Stairway and Steps: | Circular iron steps. Iron ladder thru watchroom to lantern |
Number of Landings: | 1 - watchroom deck |
Size of Glass: | 8" x 8", 10" x 12", 10" x 32 5/8" & 16" |
Number of Windows and Size of Sash: | 9; 1 3/4 sash |
Number of Doors: | 4 |
Kind of Foundation and Depth Below Surface: | Concrete & rubble stone masonry, 8' |
Character of Soil Surrounding the Lighthouse: | Sandy |
Soil Susceptibility: | By all of them [grass, shrubbery & trees] |
Miscellaneous Remarks: | Conemnation judgement Date, January 24, 1902. Lighthouse is situated at Mackinaw City on SE corner of Conkling Ave. & 3rd St. |
Lantern and Fixtures |
Order of Lantern: | 4th |
Shape of Lantern: | Polygonal |
Diameter to Glass: | 7' |
Diameter in the Clear: | |
Number of Sides: | 8 |
Type of Bars: | Vertical |
Thickness of Bars: | |
Height Glazed: | 36" |
Number of Plates in Height: | One |
Number of Plates Each Side: | One |
Thickness of Plates: | 3/8" |
Size of Plates: | 34 3/8" x 35 3/4" |
Number of Storm Panes: | Not used (size 32" x 36") |
Unglazed Side of Lantern: | 2 sides, 45 degrees |
What Bearings: | In rear does not show from seaward. |
Construction Material Lantern: | Cast iron |
Construction Material Roof / Cowl: | Cast iron |
Ventilator / Cowl: | Cast iron |
Lightning Spindle: | Copper with platinum point |
Description of Lightning Rod: | Copper band 1/8" x 1.5" attached to lantern deck, led down S side of tower into pit through 6" iron pipe in accordance with Board's specifications; also rod from newel to earth. |
Balustrade: | Iron |
Lantern Doors: | In rebate at parapet - opens outwards. |
Floor of Lantern: | Iron |
Watchroom Doors: | Trap door in lantern floor |
Parapet Diameter: | 6' 7 1/4" |
Ventilators |
Location / Number: | Lower part of lantern |
Ladders / Cleaning Arrangement: | None needed |
Curtain Hooks / Hanger: | Brass screwed in angles of lantern. |
Watchroom |
How is Watchroom Fitted: | No fittings |
How is Relief Called: | |
Where is Call System Led: |
Illuminating Apparatus |
Kind of Apparatus: | 3 hours |
Intensity in Candles: | |
Name of Maker: | Sautter, Lemouier & Co. |
Year Made: | |
Marks and Number: | 323 |
Order of Apparatus: | 4th |
Inside Diameter: | 19.5" |
Light Characteristic: | Flashing red every 10 seconds |
Time of Revolution: | 100 sec |
Flash Interval: | 10 sec |
Duration of Flash: | |
Arc of Each Fixed Part: | From N 51 degrees W (NW 1/2 W) through N'd to S 87 degrees E (E 1/4 S). Remaining portion of arc obscured by land. |
Number of Panels: | 10 |
Number of Flash Panels: | 10 |
Arc of Each: | |
Number of Elements in Central Drum: | 4 |
Number of Prisms Above Center Drum: | 6 |
Number of Prisms Below Center Drum: | 3 |
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: | Cast iron |
Service Table: | Cast iron |
Draft Tube Description: | None needed in this order of lens |
Revolving Machinery: | Clockwork made by Sautter, Lamouier [sic] & Co. |
Standby and Description: | |
Chariot Float or Balls: | Ball bearing |
Chariot Description: | |
Length of Drop Tube: | 33' |
Clock Weight: | |
Length of Winding Time: | 3 hours |
Drive During Rewind: | |
Machinery Protection: | Metal & glass case |
Regulated: | Fly governor |
Lens Protection: | |
How Color is Produced: | By red chimney |
Red Sectors Description: | |
Where Color Attached: | To Illuminating apparatus |
Form of Colored Glass: | |
Lamp Description: | New 4th order. 1 wick. |
Type of Illuminant: | |
Number of Spare Lamps: | 2 complete |
Number of Spare Burners: | None |
Candle Power: |
Clock Cord Description |
Revolving Cord: | |
Size of Clock Cord: | |
Length of Clock Cord: | |
How Led: | Through & down center newel post, over 2 pulleys secured to under side of lantern deck. |
Diameter and Length of Clock Drum: |
Chariot Balls |
Balls Description: | Y shaped made in 4 pieces 1/2 thickness. Ball race diam. 2 7/16 - 3 7/32 out dia. |
Cage to Separate Balls: | False |
Number of Balls: | 20 |
Diameter of Balls: | 3/8" |
Closets and Store Rooms |
Tower Closet Use: | 1 closet - no shelving |
Oil House Description: | Circular iron oil house lined with brick, located S'ly side of enclosure about 144' from tower. |
Oil House Inside Dimension: | |
Oil House Construction Material: | |
Oil House Capacity: | 360 gallons. |
Other (Describe): | Closets for all rooms in dwellings fitted with shelves & hooks. Pantry for each dwelling fitted with shelves & glass doors. wide shelf underneath. |
Suitability: | Dry & suited to their purposes. |
Fog Signal General |
Fog Signal Kind: | 10" Steam whistle |
Time to Start: | 40 - 45 minutes |
How Long Will Pressure Last: | |
Manufacturer: | Variety Iron Works. Cleveland, OH |
Year of Manufacture: | 1890 |
Characteristic: | 5 sec blast with alternate intervals of 17 & 33 sec. |
Duplication: | All except whistle |
Timing Device: | Cams on worm wheel on Engine |
If whistle, siren, or trumpet, Pressure at Which Blown: | 85# |
Height Above Water: | About 28' |
Compass Direction: | |
Location: | E of tower & dwelling - 55' detached from dwelling. |
Distance and Direction: | About 100' E of tower |
Water Supply: | Well |
Reached from Lighthouse: | Concrete walks |
Description of Fog Signal Building: | Buff brick structure 22' x 41' 8", stone trimmings & gables - copper roof. |
Pressure And Recording Gauge: |
Steam Signal |
Steam Boiler: | Steam |
Kind: | Locomotive |
Tube: | Flue tube |
Dimensions: | Height 6' 10 5/8" |
Length: | 15' 4 9/16" |
Diameter: | 3' 8" |
Tube Description: | 58 tubes, 96" |
Steam Tube Diameter: | 2.5" |
Steam Furnace Kind: | Part of boiler |
Furnace Length: | 5' |
Furnace Width: | 3' 3" |
Furnace Height: | 3' 11" |
Steam Heat Surface: | 378.9 sq. ft. |
Steam Grate Surface: | 16.25 sq. ft. |
Number of Grate Bars: | 14 (12 center & 2 side) |
Kind of Grate Bars: | Double bar spade end, cast iron |
Steam Fuel: | Up to present time, wood has been chiefly used with sm. qty, anthracite coal. |
Steam Safety Valve: | Cast iron lever, brass valve & disc |
Steam Maximum Pressure: | 135# |
Steam Working Pressure: | 85# |
Steam Diameter of Smokestack: | Brick chimney 20" x 20" square flue. |
Smokestack Height: | 33' |
Drum Dimension: | 4' |
Steam Drum Diameter: | 2' 6" |
Steam Covering: | None |
Steam Boiler Condition: | Good |
Steam Boiler Built: | 1890 |
Where Built: | Cleveland, OH |
Manufacturer: | Variety Iron Works |
Steam Heater: | False |
Kind: | |
Size: | |
Heater Time Affect: | |
Steam Engine Kind: | Upright |
Steam Engine Revolutions: | 122 rpm |
Steam Engine Cyl. Diameter: | 4" |
Steam Engine Piston Stroke: | 9" |
Steam Engine Pipe Size: | 3/4" |
Steam Engine When Built: | 1890 |
Steam Engine Where Built: | Cleveland, OH |
Manufacturer: | Thomas Manning Jr. |
Whistle Signal |
Whistle Diameter: | 10" |
Whistle Height: | 16 1/4" |
Whistle Orifice: | 2 5/8" |
Whistle Tone: | Single |
Whistle Chime: |
Dwelling |
Location: | Attached SE |
Coloring: | Buff walls - red roof |
Construction Materials: | Buff brick - tin roofs |
Number of Rooms: | 14 rooms about equally divided. |
Number of Dwellings: | 2 |
Heating Plant: | |
Number of Keepers: | |
Furnished Quarters: | |
NOT Furnished Quarters: | |
Outhouses: | Barn 16' x 24'. water closet inside & warehouse made from old signal house |
Outhouse Coloring: | Buff |
Paths and Walks: | Concrete walks shown on plat |
Area Inclosed: | None |
Area of Garden: | None |
Area Timber or Shrubbery: | None |
Cultivation Area Available: | All not occupied by structure |
Area Cultivated: | None |
Character of Surroundings: | Sandy. Pine forests to right - Improved lands & city lots to left. |
Stove, Maker: | |
Stove, Size: | |
Sink, Maker: | |
Sink, Size: | |
Pump, Maker: | |
Pump, Size: | |
Lamps: |
Water |
How Procured: | By well |
Quality: | Good |
Quantity: | Ample |
Injury Possible: | Not liable |
Purity Precaution: | None |
Tank Capacity: | 1 tank - 4.5' x 5' steel - 590 gal fog signal house; 2 rain water cisterns - 135 barrels each in cellar of each dwelling |
Tank Material: | Brick & cement & steel |
Distilling Apparatus: | False |
Distilling Manufacturer: | |
Well Description: | 12' |
Well Diameter: | 6" crock pipe |
Well Lining: | |
Pump or Bucket: | Pump |
What Power Used: | |
Distance from Dwelling: | 7' |
Healthfulness |
General Opinion: | Generally good health prevails |
Diseases: | |
Prevalency: | |
Local Causes: | |
Recommended Improvements: | Already provided with drains |
Miscellaneous |
Access to Lighthouse: | Landing cirb 16' x 32' outer end; then 2 cribs 12' x 12' & 1 crib 8' x 87' of logs & plank, connected by bridges 18' long. No boathouse - boat not needed. City streets pass front & W sides of lighthouse grounds. |
Distance and Direction: | About 160' NE |
Miscellaneous Remarks: | Fog signal est. in wooden struct. covered w/ corr. iron in 1890. New brick fog signal construct. on land acq by condemnation - 1906. F.S. apparatus overhauled & re-piped. Concrete walks have been laid w/i entire enc. All bldgs & appl in good condition. |