Brown, Nelson]]> Nelson, Brian]]> Human factors in engineering design]]> KC-135 (Tanker aircraft)]]> United States. National Aeronautics and Space Administration]]> en]]> Contact sheets]]> Photographs]]> Still Image]]> 1960-1969]]> Brown, Nelson]]> Nelson, Brian]]> Human factors in engineering design]]> United States. National Aeronautics and Space Administration]]> en]]> Contact sheets]]> Photographs]]> Still Image]]> 1960-1969]]> George C. Marshall Space Flight Center]]> Skylab Program]]> Experimentation]]> Apollo Telescope Mount]]> Airlock modules]]> Extravehicular mobility units]]> Skylab 1]]> Skylab 2]]> Skylab 3]]> Skylab 4]]> United States. National Aeronautics and Space Administration]]> en]]> Reports]]> Text]]> 1970-1979]]> Skylab Program]]> Space habitats]]> Human factors in engineering design]]> Extravehicular mobility units]]> Spent Stage Workshop]]> Provisioning]]> Sotheby's]]> en]]> Portfolios (Groups of Works)]]> Biographies (Literary Genre)]]> Still Image]]> 1970-1979]]>