Revolving Machinery:
Standby and Desc:
Chariot float or balls:
Chariot desc:
Length of drop tube:
Clock Weight:
Length of winding time:
Drive During Rewind:
Machinery protection:
Regulated:
Lens Protection:
How color produced:
Red sectors desc:
Where color attached:
Form of colored glass:
Lamp desc:
Type of illuminant:
Candle Power:
Num spare lamps:
Num spare burners:
Lighthouse Inspection Reports Database
Alcatraz Light Station - 1907
Illuminating Apparatus page 2 of 2
Barbier & Benard, Paris
on balls
28'
8 hrs
by glass case
by opening or closing wings of governor, or by putting on or taking off small leaden weights. (abt 1 lb each) This saves tampering with the delicate governor.
Hains, 1
1
none
Report Sections:
Premises | Lantern and Fixtures | Ventilators and Watchroom | Illuminating Apparatus | Closets and Storerooms
Fog Signal General | Fog Signal Equipment | Dwelling | Asst. Keepers Dwellings | Water | Healthfulness
Lighthouse Access | Station Boat Info | Tools and Accessories | Light Vessel Specific | Inspection Reports
Supplemental Reports
Revolving cord:
Size of Clock Cord:
Length of Clock Cord:
How Led:
Diameter and length of clock drum:
.
thru center of tower down drop tube.
Balls description:
Cage to separate balls:
Number of Balls:
Diameter of Balls:
flat plate enclosed in brass box
21
5/8"
Clock Cord Description
Chariot Balls
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