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Show Invention Prevents Boats Silking Berlin.. What is claimed to be an invention which renders ships unsink-able unsink-able was given a trial on Lake Constance. Con-stance. The inventor, a German engineer en-gineer named Libertrau, installed the apparatus in a boat with a cargo of 300 kilogrammes. Libertrau then sank the boat, aserting it would reappear within an huur. This it did. It is said that the apparatus drives the water out of the hold of the vessel. The dispatch dis-patch adds that details of the invention inven-tion are not available. |