| Show armored ships C nt go korth the remarkable discovery of the effect of temperature on the density of nickel steel is likely to have an important bearing on its use in the construction st of war vessels after this variety of steel has been frozen it if readily magnetized magnetised ana moreover it density is permanently reduced ausy 2 per cent by tho exposure to the cold it ia stated that a ship of war built in the temperate climate of ordinary and clad with say tons of nickel steel armor would bo destroyed by a visit to the arctic regions owing to the con traction of the steel by the extreme low temperature kaw Y oric |
