Word: ocean-floor
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Submarine photographs, taken by J. E. Williamson, the originator of undersea motion pictures, will be shown in connection with his lecture on "Beauty and Tragedy Under the Sea" which he will give at the Harvard Union tonight at 8 o'clock. The pictures represent the ocean-floor around the Bahama Islands...
Harvey C. Hayes, of the Navy Research Department, for a new ocean-floor measuring instrument, a Cullum medal...