This results in a temperature of 713 K, or 824Â° F, a change of 413Â° C or 744Â° F, which would cause. fires and severe burns for anyone facing the blast. However, anything in the shade of the nuclear. device would only be exposed to the ambient 80Â° F temperature.
President John F. Kennedy wore many fine Swiss watches. A Yellow Gold Omega Ultra Thin, which he wore when he took the oath of office, was included in his collection, as well as this Yellow Gold Cartier Tank, which he was wearing in his family portrait and on the day he was assassinated.
Those 2 decisions set the precedent for the use of presidential portraits in spite of George Washington's original insistence that coins should never carry portraits; he felt that it was similar to the practice of putting the King's image on a coin like they did in England.