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A Morse U.S. Navy Mark V Mod-1 diver's helmet with helium tank; image credit on full record. |
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Detail of maker's nameplate on the Morse U.S. Navy Mark V Mod-1 diver's helmet; image credit on full record. |
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Side view of the Morse U.S. Navy Mark V Mod-1 diver's helmet; image credit on full record. |
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The helium tank on the Morse U.S. Navy Mark V Mod-1 diver's helmet; image credit on full record. |
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Backside of the Morse U.S. Navy Mark V Mod-1 diver's helmet; image credit on full record. |