P O http://iconclass.org/46C253%28%2B37%29

diving-bell, bathysphere (+ propulsion of vehicle, ship, etc. by electricity)

TTL NT
S P O skos:broader
S P O http://iconclass.org/46C253%28%2B3%29
S P O skos:prefLabel
S P O diving-bell, bathysphere (+ propulsion of vehicle, ship, etc. by electricity)