STEADYING SHIPS.
In the steamer General, built at Hamburg, the invention of Mr. H. Frahm for counteracting the rolling of vessels at sea has been adopted. It consists of a U-shaped tank, placed! crosswise inside the hull, with one arm rising on each side of the vessel. This tank, which is partly filled with water, is so proportioned tfiat the period of oscillation of the water, which rushes from one side to the other a-s the ship rolls, is exactf.y half the period of oscillation imparted to the vessel by the impulsion of the waves. The result is that as the ship tips one way the water in the tank rises on the opposite side ,and by its weight counteracts the effect of the waves. The arms of the tank are about sixteen feet broad, and it occupies but little space compared with the size of the vessel. Similar tanks have been placed in two other vessels built at Hamburg. l
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Rodney and Otamatea Times, Waitemata and Kaipara Gazette, 25 September 1912, Page 7
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161STEADYING SHIPS. Rodney and Otamatea Times, Waitemata and Kaipara Gazette, 25 September 1912, Page 7
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