§ Mr. SWANasked the Parliamentary Secretary to the Admiralty if a patent, No. 4,034, a submergible float for salvage and ship-raising extension of diving bell with inhabitable chamber, was sent to the Admiralty in March, 1915; if not used by the Admiralty, could he state the reasons; and whether any similar invention has been put into use, and where?
§ Mr. LONGThe invention was offered to the Board of Invention and Research in July, 1915. It was not used, as it was not considered to be of sufficient value. No similar invention has been used by the Naval Service.