A Norwegian engineer, Herr Th. Thorbjornsen, of Kragero, has (says Iron) onn, atruotod an apparatus for discovering leaks in ships. The apparatus is very simple, consisting of a closed furnace, which is placed on the deck of a vessel, and in which smoke is produced by burning straw and bramble. The hatches having been closed, the smoke is forced into the hold by means of a blower and a tube, and in the course of half an hour the smoke will escape through any leaks there may be in the vessel’s sides or bottom. Of course the vessel must be in a dry dock. At a recent experiment at Gothenburg, a leakage which had previously defied detection was discovered in half an hour by the help of the apparatus. The time generally occupied in discovering a leak is estimated at from thirty to forty miuutesgia a vessel of 500 tons, and the cost of the experiment at 4d per ton.
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Gisborne Standard and Cook County Gazette, Volume II, Issue 222, 15 November 1888, Page 3
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160Untitled Gisborne Standard and Cook County Gazette, Volume II, Issue 222, 15 November 1888, Page 3
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