Fog Signal General

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

Point Retreat Light Station

Fog Signal General

Type C diaphone.

5 minutes

3 sec. blast, 3 sec. silent, 3 sec. blast, 21 sec. silent.

Engine & compressor.

17th District Blast Device.

30 lbs.

34 feet.

North, approximate.

On north end of point. A narrow reef bare at low water but covered at high tide projects about 300 ft. to northward into Saginaw Channel.

All in 1 building.

Rain water drain to cistern beneath floor fog signal building.

Same building.

Reinforced concrete fireproof building 20' x 36' x 16' high with 8' 6" x 8' 6" tower 7' 9" high from roof to lantern.

Has American Steam Gage & Valve Co., Boston, Mass.

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Lighthouse Access | Station Boat Info | Tools and Accessories | Light Vessel Specific | Inspection Reports

Supplemental Reports