East Boston #1 cars at Eliot Shops in December 1951
Boston Public Works Department
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/cityofbostonarchives/30079888906/">East Boston tunnel cars</a> via <a rel="nofollow" class="external text" href="https://www.flickr.com/people/48039697@N05">City of Boston Archives</a>