Gyro-Compass System - Forward Room Arrgt., Arma Mark III [1st Platform]
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Gyro-Compass System - Forward Room Arrgt., Arma Mark III [1st Platform], item, July 12, 1927; (texashistory.unt.edu/ark:/67531/metapth887513/: accessed September 25, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting Texas Parks & Wildlife Department.