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Lieutenant-Colonel the Earl Stanhope, K.Gk, D.5.0., M.C., D.L., Parliamentary Under Secretary of State for Foreign Affairs; for the Dominion of Canada: The Honourable Vincent Massey, High Commissioner for the Dominion of Canada in London; for the Commonwealth of Australia: The Eight Honourable Stanley Melbourne Bruce, C.H., M.C., High Commissioner for the Commonwealth of Australia in London; for the Dominion of New Zealand: The Honourable Sir Christopher James Parr, G.C.M.Gr., High Commissioner for the Dominion of New Zealand in London; for India: Richard Austen Butler, Esquire, M.P., Parliamentary Under Secretary of State for India; Who, having communicated to one another their full powers, found in good and due form, have agreed as follows: — PART I. DEFINITIONS. Article 1. For the purposes of the present Treaty, the following expressions are to be understood in the sense hereinafter defined: — A.—Standard Displacement:— (1) The standard displacement of a surface vessel is the displacement of the vessel, complete, fully manned, engined, and equipped ready for sea, including all armament and ammunition, equipment, outfit, provisions and fresh water for crew, miscellaneous stores and implements of every description that are intended to be carried in war, but without fuel or reserve feed water on board. (2) The standard displacement of a submarine is the surface displacement of the vessel complete (exclusive of the water in non-watertight structure), fully manned, engined, and equipped ready for sea, including all armament and ammunition, equipment, outfit, provisions for crew, miscellaneous stores and implements of every description that are intended to be carried in war, but without fuel, lubricating-oil, fresh water or ballast water of any kind on board. (3) The word " ton " except in the expression " metric tons " denotes the ton of 2,2401b. (1,016 kilos). B. —Categories:— (1) Capital ships are surface vessels of war belonging to one of the two following sub-categories:— (a) surface vessels of war, other than aircraft-carriers, auxiliary vessels, or capital ships of sub-category (b), the standard displacement of which exceeds 10,000 tons (10,160 metric tons) or which carry a gun with a calibre exceeding 8 in. (203 mm.); (b) surface vessels of war, other than aircraft-carriers, the standard displacement of which does not exceed 8,000 tons (8,128 metric tons) and which carry a gun with a calibre exceeding 8 in. (203 mm.). (2) Aircraft-carriers are surface vessels of war, whatever their displacement, designed or adapted primarily for the purpose of carrying and operating aircraft at sea. The fitting of a landing-on or flying-off deck on any vessel of war, provided such vessel has not been designed or adapted primarily for the purpose of carrying and operating aircraft at sea, shall not cause any vessel so fitted to be classified in the category of aircraft-carriers.

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