Monorail subway from Capitol to Senate. The car: Senators Swanson and Townsend as passengers
<a rel="nofollow" class="external text" href="http://loc.gov/pictures/collection/hec/">Harris &amp; Ewing, photographer</a>
<a rel="nofollow" class="external text" href="https://www.loc.gov/pictures/item/hec2008005154/">Library of Congress</a>