P O http://iconclass.org/46C253%28%2B35%29

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

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 steam)