The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum controlled valve which allows a specific amount of your exhaust back into the intake manifold. This exhaust mixes with the intake air and actually cools the combustion process.he EGR valve, or Exhaust Gas Recirculation valve, is a vacuum controlled valve which allows a specific amount of your exhaust back into the intake manifold. This exhaust mixes with the intake air and actually cools the combustion process.
Time Line. February 22, 1732 - George Washington is born at Popes Creek farm in Westmoreland County on the Northern Neck, the son of Augustine Washington and his second wife, Mary Ball Washington. By the Julian, or Old Style, calendar, in effect in England until 1752, Washington is born on February 11.ime Line. February 22, 1732 - George Washington is born at Popes Creek farm in Westmoreland County on the Northern Neck, the son of Augustine Washington and his second wife, Mary Ball Washington. By the Julian, or Old Style, calendar, in effect in England until 1752, Washington is born on February 11.
George Mason IV was born December 11, 1725, on Dogue's Neck, Virginia (modern-day Fairfax County), the son of George Mason III and Ann Thomson Mason. When he was 10, Mason's father died.He was brought up in part by his uncle, John Mercer, who reportedly had a 1,500-volume library, which had an influential effect on Mason. A local landowner (and neighbor of George Washington), Mason began taking interest in local affairs at an early age.eorge Mason was an American patriot who participated in the American Revolution and the Constitutional Convention and who was influential in penning the Bill of Rights.