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<ul><li><b>Scope and content:</b>  Original Caption: Manufacturing Army trucks at the Locomotive Plant, Bridgeport, Connecticut.  Riker truck engines lines up preparatory to being put on the blocks for actual running tests.  The finished touches of the assembly jobs are being put on these motors.</li></ul>
Photographer: Publishers Photo Service</div>
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Unknown author<span style="display: none;">Unknown author</span> or not provided</div>
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>