CLEANING WARSHIPS' HULLS.
The old method of cleaning ships' hulls, which was a laborious and lengthyprocess, is being replaced by electrical methods. Formerly it was customary to allow 170 to 200 man-days for the work, but recently several electricallydriven machines have been found to be both 6peedy and effective, according to "The Electrician." Brushes and scrapers are used, and by. their means, at a moderate expenditure of electricity in driving the operating motors, an 18,000-ton battleship can be completely cleaned in 12 hours, and vessels drydocked after having been cleaned by this method have been found to have remained quite free from any s_bsequent marine growth.
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Auckland Star, Volume XLIX, Issue 82, 6 April 1918, Page 13
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106CLEANING WARSHIPS' HULLS. Auckland Star, Volume XLIX, Issue 82, 6 April 1918, Page 13
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