Report for Horseshoe Range West Group Lower Front (white) (Pennsylvania) - 1910
| General |
| District: | 4th |
| Inspector: | Thos. J. Rout, Jr., Supt. |
| Location: | On Del. River bank of Fort Mifflin Naval Reservation, PA., above fort & to W'd of mouth of Schuylkill River. |
| Date of Report: | 04/10/1910 |
| Latitude: | 39° 52' 59" |
| Longitude: | 75° 12' 13" |
| Premises |
| Site: | Naval Reservation (Fort Mifflin) |
| Date of Reservation: | |
| Date of Deed: | |
| Date of Permission: | |
| Date of Lease: | |
| Area of the Entire Site: | About 8 acres |
| Area Inclosed: | About 6 acres |
| Character of Soil: | Loam |
| Distance of tower from Nearest High-Water Mark: | About 10' |
| Inclosures to Premises / Type of Fence: | Board & wire fences & ditches |
| Wharf or Landing on Premises: | None |
| Road to Land or Wharf Chararacter of and Distance: | |
| Means to Reach Light Station: | By RR to Philadelphia, PA., thence by private conveyance to station or by trolley from Philadelphia to Penrose Ferry Bridge, thence by private conveyance to Lt. Sta. or by walking from Bridge, or small boat from River. |
| Distance to Nearest Road: | Station is on public road, dist. to nearest RR station (Bell Road Sta) about 2.5 miles; dist. to trolley line about 7/8 mile. Dist to RR station in Phila. 6 miles. |
| Distance to Post Office: | About 3.5 miles to Paschalville |
| Distance to Village: | About 2 miles to Elmwood. |
| Facilities for Public Conveyance: | None |
| Facilities for Private Conveyance: | Teams can be hired at RR station in Phila., distance about 6 miles |
| Means Used for Support of Lantern: | Tower |
| Number of Separate Lights: | 1 light in lantern, station has 3 lights. |
| First Built or Established: | 1881 |
| Last Rebuilt, Repaired, or Renovated: | 1909 |
| Condition at This Date: | Good |
| Shape of Tower in Plan: | Square |
| Form of Tower: | Pyramidal |
| Height from Base to Ventilator Ball: | 39 1/3' |
| Height of Focal Plane Above Mean High Water: | 40' |
| Background of Lighthouse as Seen from Sea: | Tower, bldgs & trees |
| Color of Tower: | White with black lantern |
| Color of Tower/ How Produced: | Paint |
| Tower Connection: | Connected to dwelling by elevated board walk. |
| Object of Navigation: | Channel & range for general navigating purposes. |
| Building Materials: | Wood |
| General Description: | |
| Wall Thickness at Base: | Base is concrete 8" thick |
| Wall Thickness at Parapet: | About 7" |
| Diameter at Base: | Square 12' x 12' |
| Diameter at Parapet: | Square 8 1/4' x 8 1/4' |
| Kind of Stairway and Steps: | Wooden |
| Number of Landings: | 4 |
| Size of Glass: | 20" x 20" |
| Number of Windows and Size of Sash: | 2 - 24" x 47" |
| Number of Doors: | 4 including lantern door. |
| Kind of Foundation and Depth Below Surface: | Concrete wall 36" |
| Character of Soil Surrounding the Lighthouse: | Loam |
| Soil Susceptibility: | Is susceptible |
| Miscellaneous Remarks: |
| Lantern and Fixtures |
| Order of Lantern: | 4th order range |
| Shape of Lantern: | Polygonal |
| Diameter to Glass: | Square 7' 2" x 7' 2" |
| Diameter in the Clear: | Square 7' 2" x 7' 2" |
| Number of Sides: | 4 |
| Type of Bars: | None |
| Thickness of Bars: | |
| Height Glazed: | 44" |
| Number of Plates in Height: | One |
| Number of Plates Each Side: | One plate in front only |
| Thickness of Plates: | 1/4" |
| Size of Plates: | 44" x 44" |
| Number of Storm Panes: | None |
| Unglazed Side of Lantern: | 3 sides unglazed |
| What Bearings: | Glazed side faces down range. |
| Construction Material Lantern: | Wood |
| Construction Material Roof / Cowl: | Copper |
| Ventilator / Cowl: | Copper |
| Lightning Spindle: | Copper |
| Description of Lightning Rod: | 1/2" copper cable, having a brass point soldered to its top is fastened to spindle with wire rope clips. It extends down right wall of lantern & tower to std ground connection. |
| Balustrade: | Wood, canvas covered, gas pipe railing. |
| Lantern Doors: | Single wooden door hung on hinges & provided with a lock. |
| Floor of Lantern: | Wood |
| Watchroom Doors: | No watchroom |
| Parapet Diameter: | 7' 3" x 7' 3" |
| Ventilators |
| Location / Number: | None |
| Ladders / Cleaning Arrangement: | None |
| Curtain Hooks / Hanger: | 2 small hooks are screwed into top casing of window. |
| Illuminating Apparatus |
| Kind of Apparatus: | 12 hours |
| Intensity in Candles: | |
| Name of Maker: | Not known |
| Year Made: | Not known |
| Marks and Number: | None |
| Order of Apparatus: | 22" parabolic reflector |
| Inside Diameter: | No lens |
| Light Characteristic: | Fixed white 2 seconds, eclipse 1 sec. |
| Time of Revolution: | Not moveable |
| Flash Interval: | Between eclipses 2 sec |
| Duration of Flash: | Duration of eclipse 1 sec. |
| Arc of Each Fixed Part: | No lens |
| Number of Panels: | No lens, 22" silvered parabolic reflector used. |
| Number of Flash Panels: | |
| Arc of Each: | |
| Number of Elements in Central Drum: | |
| Number of Prisms Above Center Drum: | |
| Number of Prisms Below Center Drum: | |
| Does Apparatus Revolve?: | False |
| Is There a Revolving Belt?: | False |
| Revolving Panels: | |
| How Flash is Produced: | Black curtains drop & rise in front of reflector & are operated by lever connected to clockwork. |
| Number of Vertical Elements Panel: | |
| Fixed Lens Covered: | |
| Pedestal: | Lamp & reflector are supported on a shelf in front of window. |
| Service Table: | None but shelf which supports lamp & reflector |
| Draft Tube Description: | No tube |
| Revolving Machinery: | No lens |
| Standby and Description: | |
| Chariot Float or Balls: | |
| Chariot Description: | |
| Length of Drop Tube: | 26' |
| Clock Weight: | |
| Length of Winding Time: | 12 hours |
| Drive During Rewind: | |
| Machinery Protection: | By a glass case |
| Regulated: | By vertical 2-fan governor connected to clockwork. |
| Lens Protection: | |
| How Color is Produced: | No color |
| Red Sectors Description: | No red sector |
| Where Color Attached: | |
| Form of Colored Glass: | |
| Lamp Description: | Locomotive headlight lamp, 1 wick |
| Type of Illuminant: | |
| Number of Spare Lamps: | 2 spare lamps at this station for the 3 lights. |
| Number of Spare Burners: | None, except those on the spare lamps. |
| Candle Power: |
| Clock Cord Description |
| Revolving Cord: | |
| Size of Clock Cord: | |
| Length of Clock Cord: | |
| How Led: | Drops down from clock to a traveling pulley on ceiling, thence over ceiling to weight box. |
| Diameter and Length of Clock Drum: |
| Vapor Oil Lamp |
| Number of Wicks or Mantels: | 1 wick |
| Diameter of Outside Wick: | 1 1/4" outside |
| Diameter of Mantel: | |
| Diameter of Circum Circle: |
| Occulting Light |
| Characteristic: | Fixed white 2 seconds, eclipse 1 sec. |
| Time Limit: | About a variation of 1/2 sec each way |
| Eclipse Type: | |
| Size and Amplitude: | |
| Axis Rotation: | |
| Axis Relation: | |
| Screen Revolution: | |
| Screen Number: | |
| Screen Time: | |
| Screen Form: | |
| Screen Mounting: | |
| Screen Order: | |
| Screen Date: | |
| Valve Maker: | |
| Valve Pattern: | |
| Reliability: |
| Closets and Store Rooms |
| Tower Closet Use: | None |
| Oil House Description: | Oil is stored in concrete room in base of tower |
| Oil House Inside Dimension: | 5.5' x 7' |
| Oil House Construction Material: | Concrete |
| Oil House Capacity: | About 120 5-gal cans |
| Other (Describe): | Closets in dwelling are described in book for rear tower. |
| Suitability: |
| Healthfulness |
| General Opinion: | Is Healthful |
| Diseases: | None |
| Prevalency: | |
| Local Causes: | |
| Recommended Improvements: | No |
| Miscellaneous |
| Access to Lighthouse: | |
| Distance and Direction: | |
| Miscellaneous Remarks: | Tower is new & in good condition. This light forms a range with rear tower, which is described in separate book. |