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<ul><li><b>Scope and content:</b>  Original Caption: Manufacturing Army trucks at the Locomotive Co. Plant, Bridgeport, Connecticut.  The balancing room where crankshafts and flywheels are brought to an exact running balance.  The man in the center of the picture is testing a truck flywheel for balance and marking the heavy spots.  The man on the extreme right is boring out portions of a passenger car flywheel to remove exactly the right amount of metal at exactly the spot determined by the work of the man in the center.  In the background is the Akimoff crankshaft balancing machine.</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>