Show armored 11 1 1 ships ship ekit go ninth NE the h e r remarkable e inar leibfo discovery of the effect of temperature on the density of nickel steel is likely to have an important bearing on its use usein in theaon the construction st of war vessels after thia variety riethof of steel has been frozen it u readily magnetized and moreover itt iti density is reduced fully fuby 2 per cent by the exposure to the cold it is stated that a thip ship of war built in the temperate cl climate nate of ordinary steels steel a and ud clad with ray aay tons of nick nickel steel t ee I 1 armor would ati W destroyed by a visit to the arctic regions owing to the con traction of the steel by the extreme low temperature now nev aorl |