Evening Republican, Volume 23, Number 193, Rensselaer, Jasper County, 11 August 1920 — Lead and Steel. [ARTICLE]

Lead and Steel.

Lead Is said to act like steel at ordinary temperatures in liquid air. It will serve as a helical spring, for example. This behavior of soft non-elas-tic petals is interesting. It shows how very Important temperature is. Just as iron is soft and inelastic at a high red color, so lead Is dull and soft at ordinary temperatures, for It la well on its way to be melted.