Show armored ships cant go kortie the remarkable discovery of the effect of temperature on the density of nickel steel is likely to have an important bearing on ta use in the construction st of war vessels after this variety of steel has been frozen it is readily magnetized magnetised and moreover its density ia permanently perman antly fully 2 per cent by the exposure to the cold it is stated that a ship of war built in the temperate almate of ordinary steel and clad with say tons of nickel steel armor would be destroyed by a visit to the arctic regions owing to the contraction of the steel by the extreme low temperature new Y nry ito |