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<p>This investigation was performed at the United States Naval Engineering Experimental Station during the months of February and March, 1949. While casting about in January for a suitable topic for investigation, Captain Liles W. Creighton generously offered the use of any of the station data and equipment which was fitted to the author's purpose. In talking to Mr. Watt V. Smith concerning current projects, the latter  stated that some experimental attempts had been made at measuring electrically the film thicknesses in a bearing test machine and invited the author to further these investigations and enlarge upon them if desired. Thereupon this project was undertaken with the able assistance of Mr. Louis A. Nowell.
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<br>Subjects:</div>
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Shiflette, William Marshall</div>
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