Report for Point Sur Light Station (California) - 1907

General
District: 12th
Inspector: Charles Sperry
Location: Near the NW'ly end of Moro Rock, Point Sur seacoast of California. Light station is on top of & includes the whole of Moro Rock.
Date of Report: 08/17/1907
Latitude: 36° 18' 17"
Longitude: 121° 54' 07"
Premises
Site: Public Land according to best information
Date of Reservation: 10/07/1866
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 35 acres (estimated)
Area Inclosed: None enclosed except for a garden
Character of Soil: Rock abt 400' high w/ sandy soil & some vegetation
Distance of tower from Nearest High-Water Mark: 325'
Inclosures to Premises / Type of Fence: No inclosures except a garden
Wharf or Landing on Premises: Beach is used for a landing
Road to Land or Wharf Chararacter of and Distance: Road cut in side of rock on a grade down to beach. 1/2 mile to where material is landed.
Means to Reach Light Station: Stage or private conveyance from Monterey & lighthouse tender or other boat.
Distance to Nearest Road: 3 miles to county road.
Distance to Post Office: 10 miles to Sur Post Office.
Distance to Village: 35 miles to Monterey
Facilities for Public Conveyance: Stage from Monterey as far as the beginning, at the county road, of right-of-way to light station.
Facilities for Private Conveyance: Private conveyance from Monterey, 35 miles, or by boat.
Means Used for Support of Lantern: Tower
Number of Separate Lights: 1
First Built or Established: Est. 1889; 1st lighted July 17, 1889
Last Rebuilt, Repaired, or Renovated:
Condition at This Date: Good
Shape of Tower in Plan: Square
Form of Tower: Rectangular
Height from Base to Ventilator Ball: 50'
Height of Focal Plane Above Mean High Water: 270'
Background of Lighthouse as Seen from Sea: Rock close by & grass covered hills in distance.
Color of Tower: Gray stone
Color of Tower/ How Produced: Natural color of stone
Tower Connection: Not connected with any dwelling, but is attached to SE side of fog-signal bldg.
Object of Navigation: Seacoast, for general navigating purposes.
Building Materials: Sandstone
General Description:
Wall Thickness at Base: 2.5'
Wall Thickness at Parapet: 18"
Diameter at Base: 17' square outside & 12' round inside.
Diameter at Parapet: 17' square outside & 12' round inside.
Kind of Stairway and Steps: Spiral, iron stairway & steps
Number of Landings: 1 intermediate & 1 at watchroom floor
Size of Glass: 7 3/4" x 8"
Number of Windows and Size of Sash: 2; 1' 8" wide & 4' 8" high
Number of Doors: 1 outside & 1 to oil room at base of tower, 1 to parapet gallery & 2 inside vestibule to watchroom.
Kind of Foundation and Depth Below Surface: Rock at surface
Character of Soil Surrounding the Lighthouse: Rocks covered with little sandy soil, some grass & other vegetation.
Soil Susceptibility: Some kinds of grass & perhaps shrubbery. Winds are too strong for trees.
Miscellaneous Remarks:
Lantern and Fixtures
Order of Lantern: 1st
Shape of Lantern: Polygonal
Diameter to Glass: 12'
Diameter in the Clear:
Number of Sides: 16
Type of Bars: Vertical iron posts & horizontal bronze bars
Thickness of Bars:
Height Glazed: 9' 9"
Number of Plates in Height: 3
Number of Plates Each Side: 3
Thickness of Plates: Varies from 1/4" to 3/8"
Size of Plates: Length of lower plates: 2' 6 7/8"; middle 3' 3 3/16"; upper 3' 8 3/4"; All are 2' 4 1/16" wide
Number of Storm Panes: 3; 1 of each size.
Unglazed Side of Lantern: All sides are glazed
What Bearings:
Construction Material Lantern: Iron frame with bronze sash bars & stops for glass.
Construction Material Roof / Cowl: Pyramidal, 16 sides, iron truss frame, covered with copper 3/32" thick.
Ventilator / Cowl: 2' 3" dia. & made of 66 oz copper.
Lightning Spindle: Brass
Description of Lightning Rod: None
Balustrade: Parapet gallery, 20' sq. w/ balustrade 3' 8" high; lantern gallery, 16' dia. w/ hand rail 3' high.
Lantern Doors: None. Lantern gallery reached by an iron ladder from parapet gallery
Floor of Lantern: Iron with floor lights having prismatic glasses.
Watchroom Doors: None
Parapet Diameter: Circular, 11' 10" dia. inside & 15' dia. outside.
Ventilators
Location / Number: 7, in lower part of lantern
Ladders / Cleaning Arrangement: Bronze handles on lantern posts & bars above glass
Curtain Hooks / Hanger: Hooks not used. Curtains are hung on Hartshorn's shade rollers.


Watchroom
How is Watchroom Fitted: Entered from spiral stairway or from parapet door. Lens & lantern are reached by iron stairway.
How is Relief Called: Electric bells & speaking tube
Where is Call System Led: Bell wires lead to Keeper's dwellings; speaking tube to signal room.
Illuminating Apparatus
Kind of Apparatus: 5.5 hours
Intensity in Candles:
Name of Maker: Barbier & Fenestre, Paris
Year Made: 1887
Marks and Number: BF / 84 (on door of pedestal)
Order of Apparatus: 1st
Inside Diameter: 6'
Light Characteristic: Flashing alternately red & white
Time of Revolution: 4 minutes
Flash Interval: 15 sec (btwn begin of 1 flash to begin of next)
Duration of Flash: 5 sec.
Arc of Each Fixed Part:
Number of Panels: 16
Number of Flash Panels: 16
Arc of Each: 22.5
Number of Elements in Central Drum: 17 for white & 19 for red
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: Cylindrical cast iron with 4 doors, 3 of which have glass in them for viewing the revolving mechanism.
Service Table: Cast iron with flat track 2' dia for vert. wheels upon which lens revolves & center col. supporting floor & lamp in lens. Col. is 11" dia & forms lower bearing for horizontal friction wheels.
Draft Tube Description: Cast iron tube, 8 5/8" outside dia. 11" long & having a flange on upper end bolted on top of spider frame of lantern, forms upper bearing for friction wheels on top of lens. From upper end, 5" sheet iron draft tube ext. up thru lens shelter & 7" below cro
Revolving Machinery: Clock mechanism operated by weight
Standby and Description:
Chariot Float or Balls: Chariot
Chariot Description: Chariot ring with studs for 10 vertical wheels, 5 3/4" dia. & 10 horizontal wheels 3.5" dia.
Length of Drop Tube: 26' to ground floor.
Clock Weight:
Length of Winding Time: 5.5 hours
Drive During Rewind:
Machinery Protection: Within pedestal
Regulated: Vert. ball governor lifting a wheel the rim of which comes in contact with an adjustable brake whenever speed becomes too great. Setting brake higher increases speed of rev. mech. & lowering brake decreases speed.
Lens Protection:
How Color is Produced: By flat sheets of colored glass
Red Sectors Description:
Where Color Attached: To illuminating apparatus - to lens frame outside of lens
Form of Colored Glass:
Lamp Description: 1st order, plunger lamp & burner with 5 wicks
Type of Illuminant: Mineral oil
Number of Spare Lamps: 1
Number of Spare Burners: 3
Candle Power:


Clock Cord Description
Revolving Cord: Wire rope
Size of Clock Cord:
Length of Clock Cord:
How Led: With weight, hangs directly from winding drum & down drop tube in center of tower.
Diameter and Length of Clock Drum:
Closets and Store Rooms
Tower Closet Use: No closets are built in tower. 1 moveable cabinet on intermediate landing & desk in watchroom are used for supplies.
Oil House Description: Oil room attached to SE side of tower & fitted with shelves & cupboard; it is entered by doorway from base of tower.
Oil House Inside Dimension:
Oil House Construction Material:
Oil House Capacity:
Other (Describe): There is no closet built in lighthouse & no storerooms except the oil room.
Suitability: Dry & suitable
Fog Signal General
Fog Signal Kind: Steam whistle operated by timing mechanism driven by steam engine.
Time to Start: 42 minutes
How Long Will Pressure Last:
Manufacturer:
Year of Manufacture:
Characteristic: 5 sec blast every 35 sec.
Duplication: All parts, including boilers.
Timing Device: Cam inside rim of worm wheel, making blast at each rev., time determined by speed of regulated eng.
If whistle, siren, or trumpet, Pressure at Which Blown: 50 to 55 lbs
Height Above Water: 255'
Compass Direction:
Location:
Distance and Direction: At NW'ly side of lighthouse
Water Supply: From tank & cistern into which water is pumped.
Reached from Lighthouse: Signal house is attached to lighthouse
Description of Fog Signal Building: 1 story rectangular, gray stone bldg with gable roof shingled & painted brown.
Pressure And Recording Gauge:
Steam Signal
Steam Boiler: Stationary, horizontal, externally fired
Kind: Return tubular
Tube: Flue tube
Dimensions:
Length: 12'
Diameter: 42"
Tube Description: 41 tubes 12' long
Steam Tube Diameter: 3"
Steam Furnace Kind: Brick
Furnace Length: 4'
Furnace Width: 4'
Furnace Height: 2'
Steam Heat Surface: 450 sq. ft.
Steam Grate Surface: 16 sq. ft.
Number of Grate Bars: 18
Kind of Grate Bars: Ordinary fixed
Steam Fuel: Oak wood
Steam Safety Valve: Lever & weight
Steam Maximum Pressure: Over 80 lbs working.
Steam Working Pressure: 55 lbs
Steam Diameter of Smokestack: 20" pipe from boilers to side of signal house & then 24" tile to sq. stone stack on hill back of lighthouse.
Smokestack Height: 60' (short stone stack on rock SE of lighthouse)
Drum Dimension: Length 4'
Steam Drum Diameter: 27"
Steam Covering: Plastic magnesia-asbestos
Steam Boiler Condition: Tight, but thin over furnace.
Steam Boiler Built: 1888
Where Built: San Francisco, CA
Manufacturer: Moynihan & Aitken
Steam Heater: False
Kind:
Size:
Heater Time Affect:
Steam Engine Kind: Vertical
Steam Engine Revolutions: 90 rpm
Steam Engine Cyl. Diameter: 4"
Steam Engine Piston Stroke: 9"
Steam Engine Pipe Size: 3/4"
Steam Engine When Built: No date
Steam Engine Where Built: No name
Manufacturer: No name


Whistle Signal
Whistle Diameter: 12"
Whistle Height: 18"
Whistle Orifice: 3 3/4"
Whistle Tone: Single
Whistle Chime:
Dwelling
Location: On top of rock about 1000' SE'ly from lighthouse
Coloring: Gray stone with brown trimmings & roof.
Construction Materials: 1st story sandstone, 2nd wood, hip roof shingled.
Number of Rooms: 5 rooms & bath, no cellar
Number of Dwellings:
Heating Plant:
Number of Keepers: 1 keeper
Furnished Quarters:
NOT Furnished Quarters:
Outhouses: Barn, toolhouse, & workshop, washhouse, greenhouse. storehouse, hen house & closet.
Outhouse Coloring: White with brown roof - barn has lead colored trim
Paths and Walks: Path between dwellings & lighthouse
Area Inclosed: 1/15 acre, by picket fence
Area of Garden: 1/15 acre
Area Timber or Shrubbery: None
Cultivation Area Available: 1/15 acre
Area Cultivated: 1/15 acre
Character of Surroundings: About 1/2 mile of sand & clay flats btwn rock & upland. Surrounding country very hilly, having sandy & sand-clay soil & land is used mostly for grazing. Redwood & oak timber along Little Sur river about 5 miles inland.
Stove, Maker:
Stove, Size:
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
Lamps:
Assistant Keepers Dwellings
Location: On top of rock about 1000' SE'ly from lighthouse
Coloring: Gray stone with brown trimmings & roof.
Construction Materials: 2 1/2 stories, sandstone, gable roofs shingled.
Number of Rooms: 1st & 2nd assts. 6 & cellar; 3rd asst. 5 & cellar
Heating Plant:
Number of Keepers: 3 assts
Outhouses:
Outhouse Coloring:
Paths and Walks:
Area Inclosed:
Area of Garden:
Area Timber or Shrubbery:
Cultivation Area Available:
Area Cultivated:
Character of Surroundings:
Stove, Maker:
Stove, Size:
Sink, Maker:
Sink, Size:
Pump, Maker:
Pump, Size:
Lamps:
Water
How Procured: By pumping from well in flat.
Quality: Good; has slight mineral taste & creamy appearance
Quantity: Sufficient
Injury Possible: Not liable to be injured
Purity Precaution: No provision has been made for filtering water; it is carried by wrought iron pipes from roof of assts' dwelling to covered wooden tank.
Tank Capacity: Cistern near dwellings 100,000 gal.; Tank near dwellings 18,000 gal; Tank at Fog Signal house, 10,000 gal.
Tank Material: Cisterns - brick; tanks - wood
Distilling Apparatus: False
Distilling Manufacturer:
Well Description: Plank lined, 6' deep
Well Diameter: Rectangular, 7' wide & 20' long.
Well Lining: Lined with plank 2" thick
Pump or Bucket: Steam pump; water pumped to height of 400'.
What Power Used:
Distance from Dwelling: About 1000' in direct line & 1/2 mile around by road.
Healthfulness
General Opinion: Reported to be good.
Diseases: Colds & sore throat
Prevalency: Winter season
Local Causes: No
Recommended Improvements: Modern sanitary improvements in asst. keeper's dwelling would improve sanitary condition.
Miscellaneous
Access to Lighthouse: No wharf or boathouse. Supplies from lighthouse tender & sometimes other materials are landed on beach at SE'ly end of rock. Road cut in & around side of rock on grade up to lighthouse & dwelling.
Distance and Direction: 1/2 mile by road to beach.
Miscellaneous Remarks: Ext. repairs & imp. at Point Sur are contemplated for next fiscal year. (Now in progress, Sept., 1907) They include: install sanitary plumbing; concrete retaining wall, new pumping plant, imp. water supply sys; road work; new oil house, & gen repairs.