MAGNET FLOW RIG - NARA - 17447039.jpg
en
MAGNET FLOW RIG NARA 17447039, US National Archives series: Photographs Relating to Agency Activities, Facilities and Personnel, Images from the National Archives and Records Administration, US National Archives location: other, MAGNET FLOW RIG
commons
ja
MAGNET FLOW RIG NARA 17447039、米国国立公文書館シリーズ:活動・施設・職員に関連する写真、米国国立公文書記録管理局の画像、米国国立公文書館の位置:その他の、MAGNET FLOW RIG
commons_translated
cat rig field magnet lodestone soupfin shark galeorhinus bar magnet magnet permanent magnet rig