Artist's conception of the locomotive from a promotional brochure distributed by General Motors describing the <i>Train of Tomorrow</i>, a demonstrator built by GM and Pullman-Standard.
General Motors Corporation
1947
<a class="external free" href="https://commons.wikimedia.org/wiki/File:Train_of_Tomorrow.pdf">https://commons.wikimedia.org/wiki/File:Train_of_Tomorrow.pdf</a>