Lewis Nixon (1861 - 1940), a naval architect of battleships and a popular New York politician, maintained throughout this entire article that the full array of 1912 technology was ignored in the planning of Titanic's first (and last) voyage:
"We have in our battle-ships devices to show when water enters compartments, and by simple and economical devices it would be possible to have the depth to which water has risen indicated on the bridge, and on merchantmen as well as on our men-of-war searchlights should be carried."
Pictured above is Thomas Andrews, architect of Titanic.