Tag: depressurization

  • The Plug Door

    ~ Bulletin from AvProphecy ~ Riddle:             What does it mean to remove a door? Hint:                It hinges on hinges. Henry Ford was antisemitic and a bigot, but he did some things right. He was a good mechanic – a natural in the trade. In 1911 he patented an ingenious transmission for automobiles. It used planetary…