Feet Length 852.50 Breadth 92.50 Depth from top of keel to top of beam at lowest point of sheer of C deck, the highest deck which extends continuously from bow to stern 64.75 Depth of hold 59.58 Height from B to C deck 9.00 Height from A to B deck 9.00 Height from boat to A deck 9.50 Height from boat deck to water line amidships at time of accident, about 60.50 ====== Displacement at 34 feet 7 inches is tons 52,310 The propelling machinery consisted of two sets of four-cylinder reciprocating engines, each driving a wing propeller, and a turbine driving the center propeller. The registered horsepower of the propelling machinery was 50,000. The power which would probably have been developed was at least 55,000. _Structural arrangements._--The structural arrangements of the _Titanic_ consisted primarily of-- (1) An outer shell of steel plating, giving form to the ship up to the top decks. (2) _Steel decks._--These were enumerated as follows: