Scope and Contents note From the Series: Outstanding among the categories in this Section is the one dealing with automobiles (130 pieces). These were exhibited at the Smithsonian Institutions, as described in the Washington Daily News for Oct. 23, 1939, page 14. (See also Hobbies Magazine, December 1939). In addition, there are 100 aeronautical pieces including several on balloons, over a hundred pieces on letters, postcards, stamps, the telegraph and telegrams, 150...