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Keywords from Image Description:
adolphe heri dubois special collection photo adolpheheriduboisspecialcollectionphoto n.s. north sea class nsnorthseaclass n.s. ns aviation aircraft airship lighter than air lighterthanair lta blimp royal navy royalnavy rn royal naval air service royalnavalairservice rnas north seaclass northseaclass north seaclass airship northseaclassairship