Measurement of vessels for the Panama canal (1913)
Johnson, Emory R. (Emory Richard), 1864-1950, United States. War Dept · Washington, Govt. Print. Off. · leaf 56
be rivetedto the plating. The upper deck beams do not extend across the ship; but strong crossbeams,in such number as the strength of the ship requires, are placed across the open portion of theupper deck. With the exception of the crossbeams the hold is clear below the hatchwayswhich are in the… … Ballast Qnsuglrt. Figuee 20.—Hold view, self-trimming three-deck steamer. decks from which the ships are navigated are well above the water line. When the hold andthe trunk are filled with grain or other bulk cargo that may come, by settling, to occupy lessspace, the cargo in the turret or trunk…
