Report for Marcus Hook Range Front Light Station (Delaware) - 1920
| General |
| District: | 4th |
| Inspector: | C.A. Lamy |
| Location: | W side of Delaware River, in 1/4 fathom of water about 100 yards from W bank of river, on axis of Marcus Hook Channel. In "Brandywine Hundred", Del. |
| Date of Report: | 07/31/1920 |
| Latitude: | 39° 46' 35" |
| Longitude: | 75° 28' 33" |
| Premises |
| Site: | Conveyed by state of Delaware |
| Date of Reservation: | 07/22/1917 |
| Date of Deed: | |
| Date of Permission: | |
| Date of Lease: | |
| Area of the Entire Site: | 0.72 acres |
| Area Inclosed: | |
| Character of Soil: | |
| Distance of tower from Nearest High-Water Mark: | |
| Inclosures to Premises / Type of Fence: | |
| Wharf or Landing on Premises: | On foundation pier |
| Road to Land or Wharf Chararacter of and Distance: | |
| Means to Reach Light Station: | By water |
| Distance to Nearest Road: | |
| Distance to Post Office: | |
| Distance to Village: | |
| Facilities for Public Conveyance: | |
| Facilities for Private Conveyance: | |
| Means Used for Support of Lantern: | Tower - skeleton black square pyramidal - white slatted daymark |
| Number of Separate Lights: | One |
| First Built or Established: | 1915 |
| Last Rebuilt, Repaired, or Renovated: | 1918. Entirely built on present site |
| Condition at This Date: | |
| Shape of Tower in Plan: | |
| Form of Tower: | |
| Height from Base to Ventilator Ball: | |
| Height of Focal Plane Above Mean High Water: | 81' |
| Background of Lighthouse as Seen from Sea: | Buildings, factories, chimneys |
| Color of Tower: | Black - daymark white |
| Color of Tower/ How Produced: | Painted |
| Tower Connection: | No keeper, no dwelling |
| Object of Navigation: | Channel, range, general navigation |
| Building Materials: | Steel |
| General Description: | |
| Wall Thickness at Base: | |
| Wall Thickness at Parapet: | |
| Diameter at Base: | |
| Diameter at Parapet: | |
| Kind of Stairway and Steps: | Ladders |
| Number of Landings: | |
| Size of Glass: | |
| Number of Windows and Size of Sash: | |
| Number of Doors: | |
| Kind of Foundation and Depth Below Surface: | |
| Character of Soil Surrounding the Lighthouse: | |
| Soil Susceptibility: | |
| Miscellaneous Remarks: | Water site |
| Illuminating Apparatus |
| Kind of Apparatus: | |
| Intensity in Candles: | 6,000 |
| Name of Maker: | A.G.A. (Am. Gas Accumulator Co.) |
| Year Made: | Unknown |
| Marks and Number: | L. 350 |
| Order of Apparatus: | AGA range light lantern L350 |
| Inside Diameter: | Focal dist. 187.5 mm |
| Light Characteristic: | |
| Time of Revolution: | |
| Flash Interval: | |
| Duration of Flash: | |
| Arc of Each Fixed Part: | |
| Number of Panels: | One annular lens |
| Number of Flash Panels: | |
| Arc of Each: | |
| Number of Elements in Central Drum: | 5 |
| 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: | |
| Number of Vertical Elements Panel: | |
| Fixed Lens Covered: | |
| Pedestal: | |
| Service Table: | |
| Draft Tube Description: | |
| 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: | |
| Red Sectors Description: | |
| Where Color Attached: | |
| Form of Colored Glass: | |
| Lamp Description: | Acetylene, 35 cp |
| Type of Illuminant: | Acetylene |
| Number of Spare Lamps: | None |
| Number of Spare Burners: | None |
| Candle Power: | 35 cp |
| Compressed Gas |
| Gas Container: | A .50 tanks, 4 in service |
| Compressed Gas Capacity: | 177 cubic feet |
| Compressed Gas Charge: | 10 atm |
| How Supply Renewed: | By changing tanks |
| At What Intervals: | Tanks are changed every 3 or 4 months |
| Spare Containers: |
| Gas Light |
| Gas Light Kind: | Acetylene, acetone |
| Gas Light Number of Burners: | |
| Kind of Burner: | Crescent "Victory" 1 foot |
| Candlepower Per Burner: | 35 cp |
| Total Candlepower: | |
| Consumption Gas Burner Per Hour: | 4/10 of a cubic foot |
| Total Consumption Per Hour: | 4/10 of a cubic foot |
| How Gas Obtained: | From compressed acetylene in acetone |
| Occulting Light |
| Characteristic: | |
| Time Limit: | |
| 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: | AGA |
| Valve Pattern: | AGA flasher |
| Reliability: | Yes |
| Closets and Store Rooms |
| Tower Closet Use: | |
| Oil House Description: | Tank house inside & at base of steel tower. |
| Oil House Inside Dimension: | 4' 8" x 4' 8" x 7' |
| Oil House Construction Material: | Steel |
| Oil House Capacity: | May fit 8 A-50 tanks. |
| Other (Describe): | |
| Suitability: |
| Miscellaneous |
| Access to Lighthouse: | Landing on foundation pier |
| Distance and Direction: | |
| Miscellaneous Remarks: | Unwatched light - no keeper |