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
Fort Gratiot Light Station - 1912
Fog Signal General
8" steam whistle.
15 to 30 minutes.
3 sec. blast, 17 sec. silent, 3 sec. blast, 17 sec. silent.
All parts.
Spur & worm gear ooperating cam.
75 lbs.
35 feet.
140' NW of tower, 130' W of the W'ly shore of junction of L. Huron & St. Clair River.
140 ft. NW 1/2N. (320 degrees)
City water supply.
Cement walk, 90 feet north of Assistant Keeper's dwelling.
Single building of red brick, 22' x 40' in plan, metal slate hip roof & chimney of brick 40' above floor.
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 | Tours | Lightship | Resources | Store | Contact Us | Site Map
© 2008 United States Lighthouse Society · 9005 Point No Point Rd. NE, Hansville, WA 98340 · ph. 415.362.7255