Entrance to the Private Diagnostic Clinics, 1960s. The Private Diagnostic Clinic (PDC) was organized on September 15, 1931 to coordinate the diagnostic studies and to give better care for the complicated problems arising in the examination of...
Entrance to the Private Diagnostic Clinics, 1960s. The Private Diagnostic Clinic (PDC) was organized on September 15, 1931 to coordinate the diagnostic studies and to give better care for the complicated problems arising in the examination of...
USS Squalus (SS-192), a diesel-electric submarine built at the Portsmouth Navy Yard, Portsmouth, New Hampshire and commissioned there on 1 March 1939, suffered a catastrophic valve failure during a test dive off the Isle of Shoals at 0740 on 23...