Report for Pedras Blancas Light Station (California) - 1907

General
District: 12th
Inspector: Chas. S. Kanun, Keeper
Location:
Date of Report: 07/02/1907
Latitude: 35° 39' 51"
Longitude: 121° 17' 05"
Premises
Site: Public Land
Date of Reservation: 06/10/1866
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 19.89 acres
Area Inclosed: 19.89 acres
Character of Soil: Rocky in vicinity of tower, rest is sandy
Distance of tower from Nearest High-Water Mark: 360'
Inclosures to Premises / Type of Fence:
Wharf or Landing on Premises: On E side of reservation a landing, but not over water.
Road to Land or Wharf Chararacter of and Distance: No road, distance from tower to wharf abt 550'
Means to Reach Light Station: By boat to San Simeon then by private conveyance to light or RR to San Luis Obispo, then by stage or automobile to San Simeon, & private conveyance to light.
Distance to Nearest Road: San Simeon 7 miles; 1/2 mile to county road.
Distance to Post Office: San Simeon 7 miles
Distance to Village: San Simeon 7 miles
Facilities for Public Conveyance: None from San Simeon
Facilities for Private Conveyance: By hiring ranch team or Keeper's rig from lighthouse
Means Used for Support of Lantern: Conical brick tower
Number of Separate Lights: None
First Built or Established: 1874
Last Rebuilt, Repaired, or Renovated:
Condition at This Date: Good
Shape of Tower in Plan: Conical. Base of tower polygonal, base of parapet polygonal
Form of Tower: Conical
Height from Base to Ventilator Ball: 100'
Height of Focal Plane Above Mean High Water: 141'
Background of Lighthouse as Seen from Sea: Rolling land for about 5 miles then mountains
Color of Tower: White, with black trimmings
Color of Tower/ How Produced: Whitewash & black paint
Tower Connection: Detached
Object of Navigation: General navigating purposes, seacoast of CA.
Building Materials: Brick & cast iron
General Description:
Wall Thickness at Base: 4' 10"
Wall Thickness at Parapet: 18"
Diameter at Base: Inside dia. 24'
Diameter at Parapet: 12' 2"
Kind of Stairway and Steps: Cast iron half spiral from landing to landing
Number of Landings: 5
Size of Glass: 7 1/4" x 13" - 11" x 12"
Number of Windows and Size of Sash: 8 - 2' 6.5" x 18"; 6 - 3' 1.5" x 2' 3/4"
Number of Doors: 1 double door entrance to tower 7' x 23"
Kind of Foundation and Depth Below Surface: Concrete
Character of Soil Surrounding the Lighthouse: Rocky
Soil Susceptibility: Yes
Miscellaneous Remarks:
Lantern and Fixtures
Order of Lantern: 1st order, polygonal
Shape of Lantern: Polygonal
Diameter to Glass: 12'
Diameter in the Clear:
Number of Sides: 16
Type of Bars: Vertical
Thickness of Bars:
Height Glazed: 10'
Number of Plates in Height: 3
Number of Plates Each Side: 3
Thickness of Plates: 3/8"
Size of Plates: Lower 31" x 28"; Middle 29 1/4" x 28"; top 44" x 28"
Number of Storm Panes: 3
Unglazed Side of Lantern: All glazed
What Bearings:
Construction Material Lantern: Iron, copper roof brass
Construction Material Roof / Cowl: Round copper roof, lined on inside with zinc.
Ventilator / Cowl: 30" copper ball
Lightning Spindle: Copper
Description of Lightning Rod: None
Balustrade: Cast iron
Lantern Doors: No door in lantern
Floor of Lantern: Corrugated cast iron & deck lights.
Watchroom Doors: Wooden door, wood casings.
Parapet Diameter: Round 18"
Ventilators
Location / Number: Lower part of lantern
Ladders / Cleaning Arrangement: None
Curtain Hooks / Hanger: Patent rollers


Watchroom
How is Watchroom Fitted: 1 locker with 3 doors for storing lamp tools etc.
How is Relief Called: Intercommunicating telephone connecting signal, tower & keeper's quarters
Where is Call System Led: Signal - tower - keeper quarters
Illuminating Apparatus
Kind of Apparatus: 3 hrs
Intensity in Candles:
Name of Maker: Henry LePaute
Year Made: 1872
Marks and Number:
Order of Apparatus: 1st
Inside Diameter: 4' 10"
Light Characteristic: Fixed white varied by white flash
Time of Revolution: 2 min
Flash Interval: .25 sec
Duration of Flash:
Arc of Each Fixed Part: 22.5 degrees
Number of Panels: 16
Number of Flash Panels: 8
Arc of Each: 11.5 degrees
Number of Elements in Central Drum: 16
Number of Prisms Above Center Drum: 18
Number of Prisms Below Center Drum: 8
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: 12" x 2' & sits on top of clock case
Service Table: Cast iron
Draft Tube Description: Russia Iron stove pipe 5" dia 6' long & portable. Sits in sleeve in damper pipe & extends up into the ventilator ball.
Revolving Machinery: Revolving clock work machinery
Standby and Description:
Chariot Float or Balls: Chariot wheels.
Chariot Description: 10 Chariot wheels 5.5" dia. solid brass wheel round bearing surface.
Length of Drop Tube: 34"
Clock Weight:
Length of Winding Time: 3 hrs
Drive During Rewind:
Machinery Protection: Encased in round iron & glass case with 4 doors
Regulated: By ball governor & weights on rod.
Lens Protection:
How Color is Produced:
Red Sectors Description:
Where Color Attached:
Form of Colored Glass:
Lamp Description: 1st order - 5 wicks French lamp.
Type of Illuminant:
Number of Spare Lamps: 1
Number of Spare Burners: 3
Candle Power:


Clock Cord Description
Revolving Cord: Steel cable
Size of Clock Cord:
Length of Clock Cord:
How Led: From drum of clockwork to base of tower through sheave on weights then up to first landing.
Diameter and Length of Clock Drum:
Closets and Store Rooms
Tower Closet Use: 1 closet in bottom of tower fitted with shelves & drawer for storing wicks, chimneys, & etc.
Oil House Description: No oil room or house. Oil is stored in bottom of tower.
Oil House Inside Dimension:
Oil House Construction Material:
Oil House Capacity:
Other (Describe): None
Suitability:
Fog Signal General
Fog Signal Kind: 1 20 HP Hornsby Akroyd oil engine 10" whistle; 1 25 HP Meitz & Weiss oil engine 10 " whistle
Time to Start: 20 min
How Long Will Pressure Last:
Manufacturer: De La Vergne Mfg Co., NY & August Meitz, NY
Year of Manufacture:
Characteristic: 2 sec blast every 20 sec.
Duplication: Engines & compressors
Timing Device: Crosby
If whistle, siren, or trumpet, Pressure at Which Blown: Whistle - 10" 40 lbs pressure
Height Above Water:
Compass Direction:
Location: Entrance to San Simeon Bay
Distance and Direction: 170' W of tower
Water Supply: Water from fog signal roof
Reached from Lighthouse: By trail
Description of Fog Signal Building: Red brick truss roof (5 trusses)
Pressure And Recording Gauge:
Compressed Air
Compressed Air Machinery:
Kind: 1 Hornsby Akroyd 20 HP; 1 Meitz & Weiss 25 HP
Manufacturer: Hornsby-Akroyd & Meitz-Weiss
Date Made:
Nominal Size:
Horsepower: 20 & 25 HP
Compressor: Bury
Compressor Manufacturer: Bury
Compressor Bed and Gear: 1 geared; 1 by chain belt driven


Whistle Signal
Whistle Diameter: 10"
Whistle Height: 20
Whistle Orifice: 3"
Whistle Tone:
Whistle Chime:
Dwelling
Location: Old dwelling 50' NE of tower; New dwelling 125' NE of tower
Coloring: White, red trimmings
Construction Materials: Wood
Number of Rooms: Old - 12 + attic; new - 5 & bath + attic
Number of Dwellings:
Heating Plant:
Number of Keepers: Old has 3 assts - 1st asst has 6 rooms, others 3 each.
Furnished Quarters:
NOT Furnished Quarters:
Outhouses: Warehouse, blacksmith, 4 wood sheds
Outhouse Coloring: Whitewash
Paths and Walks: None
Area Inclosed: None
Area of Garden: None
Area Timber or Shrubbery: None
Cultivation Area Available:
Area Cultivated:
Character of Surroundings: Sandy
Stove, Maker:
Stove, Size:
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
Lamps:
Water
How Procured: Rain water from roofs of bldgs
Quality: Fair
Quantity: Not enough to supply station
Injury Possible:
Purity Precaution: Cleaning tanks
Tank Capacity: 3 - 10,000 gal tanks back of dwelling; 2 5000 gal tanks back of new dwelling; 1 - 5000 gal tank at fog signal
Tank Material: Redwood
Distilling Apparatus: False
Distilling Manufacturer:
Well Description: 5 5/8" casing 65' deep water not fit for use.
Well Diameter: 5 5/8"
Well Lining: Well casing
Pump or Bucket: Pump & windmill
What Power Used:
Distance from Dwelling: 300'
Healthfulness
General Opinion: Healthy
Diseases: None
Prevalency:
Local Causes:
Recommended Improvements: No
Miscellaneous
Access to Lighthouse: Landing for supplies on lower end of station with derrick - no winch. Wharf is built on rocks but doesn't project over water. Steamer landing at San Simeon 7 miles. Road sandy & dusty & in winter boggy & generally poor.
Distance and Direction: Lighthouse landing 200 yds from tower - no road. Steamer landing 7 miles by wagon road.
Miscellaneous Remarks: