Relandersgrund is a former lightvessel formerly located at the Relanderinmatala shallow in Rauma, Finland.
Relandersgrund is a former lightvessel formerly located at the Relanderinmatala shallow in Rauma, Finland.
==Structure and equipment== The ship was built from 1886 to 1888 in Turku at the W:m Crichton & C:o shipyard. The ship's hull is made of steel and fastened with bolts. The ship's measurements are . The ship has a displacement of 168 tonnes. The ship originally had two masts and sails, a light emission device running on oil and a fog siren running on pressurised air. At the turn of the century the ship was fitted with a boiler for the foghorn, the anchor and heating. The hot-bulb engine operating the foghorn was moved to use an electric generator which powered a searchlight. This device, using an arc lamp rare at the time, was used for maritime pilots. All other lamps on the ship were kerosene lamps.
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