Complex sentence: At this time there was no official body responsible for marine safety in the Thames, the subsequent enquiry resolved that the Marine Police Force, based at Wapping be equipped with steam launches, to replace their rowing boats and be better able to perform rescues.
Split into simpler sentences: At this time there was no official body responsible for marine safety in the Thames. The subsequent enquiry resolved that the Marine Police Force, based at Wapping be equipped with steam launches, to replace their rowing boats and be better able to perform rescues.