CSS Hudson: Night sequence on Bruce Carson's sample bottles being lowered into the water. Several MCUs of instruments. Near vertical HAS of man lowering instruments over the side. Lengthy shot from blimped camera swinging at end of cable of side of ship, of surface of water and underwater as waves wash over camera periodically. MLS of three men in lounge, Grant Bartlett standing, Peter Wangurski sitting and unidentified man in background. MCU of Wangurski talking past the camera. MCU of Bartlett talking past the camera.