
Sonargraph - John Brackett Hersey, Elizabeth T. Bunce, 1962

Description
John Brackett Hersey and Elizabeth T. Bunce examine a seismic sonargraph mounted on a display board in 1962; likely at the Woods Hole Oceanographic Institution. DUPLICATE (CC)
John Brackett Hersey and Elizabeth T. Bunce examine a seismic sonargraph mounted on a display board in 1962; likely at the Woods Hole Oceanographic Institution. DUPLICATE (CC)