Friday Find: The Hydrographer's bell

It’s 1931 and you are a U.S. Coast and Geodetic Survey Corps officer on the USC&GSS Hydrographer. A bell clangs urgently, waking you from sleep. What could it mean?

The Project Gutenberg eBook of From the Earth to the Moon, by

NOAA ships National Oceanic and Atmospheric Administration

Keynes, R. D. ed. 2001. Charles Darwin's Beagle diary. Cambridge

How HMS Erebus—and Jim Balsillie—will sell the North

St andrew and st patrick hi-res stock photography and images - Alamy

David Gibbins — The bell of the East Indiaman the President

Stream hydrographs by fluorescent tracers

Featured Content National Oceanic and Atmospheric Administration

200910 by Navy News - Issuu

Marine & Aviation National Oceanic and Atmospheric Administration