Report for Grand Marais Harbor of Refuge Rear Range (Michigan) - 1909
| General |
| District: | 11th |
| Inspector: | Ralph R. Tinkham |
| Location: | At inner end of W pier at entrance to Grand Marais Harbor of Refuge. MI. 1770' in rear of front light |
| Date of Report: | 06/16/1909 |
| Latitude: | Not computed |
| Longitude: |
| Premises |
| Site: | Situated on pier by permission of War Dept. |
| 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: | Land directly on pier |
| Road to Land or Wharf Chararacter of and Distance: | No road to pier, though a team could pass along sand point from Grand Marais. |
| Means to Reach Light Station: | By water, or on foot from Grand Marais, or by rig. |
| Distance to Nearest Road: | 1.5 miles to steamboat landing, around harbor. |
| Distance to Post Office: | 3/4 mile to Grand Marais P.O. |
| Distance to Village: | 3/4 mile to Grand Marais, across harbor from town. |
| Facilities for Public Conveyance: | None |
| Facilities for Private Conveyance: | By launch or small boat, or on foot from Grand Marais, MI or by team. |
| Means Used for Support of Lantern: | Tower |
| Number of Separate Lights: | One |
| First Built or Established: | 1898 |
| Last Rebuilt, Repaired, or Renovated: | |
| Condition at This Date: | Good |
| Shape of Tower in Plan: | Square |
| Form of Tower: | Pyramidal, skeleton iron. |
| Height from Base to Ventilator Ball: | 61' 10" |
| Height of Focal Plane Above Mean High Water: | 62' |
| Background of Lighthouse as Seen from Sea: | Distant wooded bluff back of Grand Marais |
| Color of Tower: | White, black lantern |
| Color of Tower/ How Produced: | Paint |
| Tower Connection: | Detached, & about 300' S'ly therefrom |
| Object of Navigation: | Range & harbor light |
| Building Materials: | 4 corner posts of 6" x 6" x 5/8" angles, stands on 2 sills of 10" I's, with 2 - 6" C struts connecting ends of sills.. Intermediate horiz. struts of T iron & diag. of 1 1/4" round iron rods. |
| General Description: | |
| Wall Thickness at Base: | |
| Wall Thickness at Parapet: | |
| Diameter at Base: | 19' 6' |
| Diameter at Parapet: | 11' 3" |
| Kind of Stairway and Steps: | Iron ladder in 2 flights. 3 1/4" x 2 1/4" angles. 20" b to b with double 3/4" rounds. |
| Number of Landings: | Starts at elev. walk, 5' above pier, 1 C.I landing |
| Size of Glass: | 10" x 10" |
| Number of Windows and Size of Sash: | 2 8-lt in watchroom, sash 23 3/4 x 25" |
| Number of Doors: | Wood trap door in floor of watchroom & iron trap door in lantern |
| Kind of Foundation and Depth Below Surface: | On harbor pier of crib work filled with stone. |
| Character of Soil Surrounding the Lighthouse: | Sand |
| Soil Susceptibility: | No. |
| Miscellaneous Remarks: | Upper part of tower below lantern inclosed to form watchroom. Walls of wood frame construction 6" thick. Inside ceiled & varnished, with floor of maple. Height floor of watchroom to lantern floor 8' 6". |
| Lantern and Fixtures |
| Order of Lantern: | 4th |
| Shape of Lantern: | Polygonal |
| Diameter to Glass: | 7' |
| Diameter in the Clear: | 6' 5" |
| Number of Sides: | 8 |
| Type of Bars: | Vertical |
| Thickness of Bars: | |
| Height Glazed: | 35 1/4" |
| Number of Plates in Height: | One |
| Number of Plates Each Side: | One |
| Thickness of Plates: | 5/16" |
| Size of Plates: | 35 3/4" x 32.5" |
| Number of Storm Panes: | None |
| Unglazed Side of Lantern: | 2 adjacent panels each 45 degrees |
| What Bearings: | Between 200 degrees & 290 degrees with 0 degrees at N. |
| Construction Material Lantern: | Cast iron parapet lined with sheet iron, wrought iron verticals. |
| Construction Material Roof / Cowl: | Cast iron plates forming 8-sided pyramidal roof, lined with zinc. |
| Ventilator / Cowl: | Cast iron |
| Lightning Spindle: | Brass, platinum tip |
| Description of Lightning Rod: | None |
| Balustrade: | Gallery square, 12' x 12' in plan, of cast iron plates. Balustrade is 2, 2" pipe rails with 1.5" pipe stanchions, all with pipe fittings |
| Lantern Doors: | 2-fold cast iron door in parapet, with brass fittings; leads to outside gallery. |
| Floor of Lantern: | Cast iron plates bolted together & to plates of outside gallery. |
| Watchroom Doors: | Cast iron plate trap door with iron ring handle & hinges. |
| Parapet Diameter: | 6' 7" |
| Ventilators |
| Location / Number: | 4 in parapet, brass valve registers inside, cast iron hoods outside. |
| Ladders / Cleaning Arrangement: | None needed |
| Curtain Hooks / Hanger: | Brass screw hooks fitted in verticals. |
| Watchroom |
| How is Watchroom Fitted: | Bench across N side. Closet with shelves for lamp supplies. Iron ladder leads to lantern 21" wide with flat bar strings 1/2 x 2.5" & double 3/4" round iron treads. Wood trap door opens to ladder leading to pier. Opening 26" x 40". Glass-box & coat hooks |
| 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: | 5th |
| Inside Diameter: | 14 7/8" |
| Light Characteristic: | Fixed |
| Time of Revolution: | |
| Flash Interval: | |
| Duration of Flash: | |
| Arc of Each Fixed Part: | 4 fixed panels, each 90 degrees - 360 degrees. 2 front panels have lens belt. 2 rear panels have no belt, but are fitted with 8 tier of prisms, extending from top to bottom of lens apparatus. |
| Number of Panels: | 4 |
| Number of Flash Panels: | None |
| Arc of Each: | |
| Number of Elements in Central Drum: | Central belt with 2 elements above & 2 below |
| 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 |
| Service Table: | None |
| Draft Tube Description: | None |
| Revolving Machinery: | |
| Standby and Description: | |
| Chariot Float or Balls: | |
| Chariot Description: | Apparatus mounted on cross & ring carried on 4 1 1/4" rollers bearing on pedestal top, used for cleaning purposes only. Kept from turning by 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 lamp chimney |
| Red Sectors Description: | |
| Where Color Attached: | To illuminating apparatus |
| Form of Colored Glass: | Lamp chimney |
| Lamp Description: | Funk-Heap |
| Type of Illuminant: | |
| Number of Spare Lamps: | 3 at this tower |
| Number of Spare Burners: | 1 burner to each lamp. |
| Candle Power: |
| Vapor Oil Lamp |
| Number of Wicks or Mantels: | 1 |
| Diameter of Outside Wick: | 1 1/4" |
| Diameter of Mantel: | |
| Diameter of Circum Circle: |
| Closets and Store Rooms |
| Tower Closet Use: | 1 in watchroom for lamp supplies. |
| Oil House Description: | See Front light |
| Oil House Inside Dimension: | |
| Oil House Construction Material: | |
| Oil House Capacity: | |
| Other (Describe): | |
| Suitability: |