<div class="description">
U.S. Steel Corporation; Brown, James S; Clark, E L; Fownes, H C; Fownes, W C; Brown Hoisting Machinery Company; Massicks and Crooke; Pollock Company; Westinghouse Electric Company; Wilson-Snyder; Allis-Chalmers Company; Keystone Bridge Company; Riley-Stoker; Ingersoll-Rand; S. P. Kinney; Research-Cottrell, Incorporated; Worthington [pump manufacturer]; American Bridge Company; Dravo Engineering Corporation; General Electric Company; Stupich, Martin, photographer; Lowe, Jet, photographer</div>
<div class="fn value">
Lowe, Jet, creator</div>
Documentation compiled after 1968
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