Click to embiggen A triumph of engineering. It moves earth! Using “the bucket principle”! As found in The Linda Hall Library.
Click to embiggen vastly In which NASA tests a Space Shuttle engine in Mississippi, on a cool and humid day. Found on GRIN.
Click to embiggen A big, useful boat, from Industrial America: Manufacturers and Inventors of the United States, 1876. [via New York Public Library Digital Collections]