Fog Signal Kind:

 

Time to start:

 

How long will pressure last:

 

Manufacturer:

 

Year of Manufacture:

 

Characteristic:
 

 

Duplication:

 

Timing device:

 

If whistle, siren or trumpet, Pressure at which blown:

 

Height above water:

 

Compass direction:

 

Location:

 

Distance and direction:

 

Water supply:

 

Reached from Lighthouse:

 

Desc of Fog signal building:
 

 

Pressure and recording gauge:

Lighthouse Inspection Reports Database

Alcatraz Light Station - 1907

Fog Signal General

Gamewell, No. 3

 

Immediately if electric plant is in order; 5 to 8 minutes - started by hand

 

 

 

Gamewell Fire Alarm Telegraph Co., NY

 

 

 

SE bell strikes 5 blows with silent interval of 10 sec btwn each stroke followed by silent interval of 25 sec. NW bell strikes 1 blow every 6 sec.

 

none

 

 

 

 

 

 

 

 

 

 

2 bells, one on each end of island, for passing vessels.

 

1 is 1300'; 1 is 450'

 

none needed

 

By walking around road.

 

SE bell house 14' x 12' x 8'. Roof projects over bell 7', fitted with 2 windows & tool closet. NW bell is same, but no roof extension. Towers are 30' high.

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

Home | About Us | Magazine | Membership | Lighthouse Passports  | Expeditions | Lightship | Resources | Store | Contact Us | Store | Site Map

© 2006 United States Lighthouse Society · 244 Kearny Street 5th Floor, San Francisco CA 94108 · ph. 415.362.7255