Sometime in the mid-1930s, an aeronautical engineer sent out a particularly un-Christmassy looking Christmas card, one that featured a sleek aircraft soaring above a speeding train and automobile, with an art deco cityscape in the background.
In summer 1861, William J. Rhees, chief clerk of the Smithsonian Institution, wrote to his wife about Professor Thaddeus Lowe’s balloon experiments on the National Mall . . . including the reason one ascent never got off the ground. Because (almost) nothing in Washington happens without first securing a purchase order or an appropriation.