Siebe Gorman Salvus
…sport divers in Britain and Australia in the 1950s before aqualungs became readily affordably available. At the coalmine rescue on 7–9 September 1950 at Knockshinnoch Castle Colliery near New Cumnock, Ayrshire, Scotland, 115 trapped miners were equipped with Salvuses borrowed from fire stations around to bring them out through a…