Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSIEBE GORMAN & CO., PATENT, London.AuthorsLeaney, LeslieSubjectsSIEBE Gorman &; Co. Ltd.; PATENTS; HELMETSPublicationJournal of Diving History, 2018, Vol 26, Issue 95, p24ISSN1946-4770Publication typeArticle