PBS
Pbs Teachers: Scientific American: Mysteries of the Deep: Life Sized Drawing
Use a scale drawing of the Hunley as a model from which to draw a full-scale version of the Confederate submarine, the CSS H.L. Hunley.
PBS
Pbs Teachers:mysteries of the Deep: Leaky Seal
Investigate the mystery of the sinking of the Confederate submarine Hunley. Explore the mechanics of waterproofing a seal, and compare and contrast the effectiveness of a metal-to-metal seal versus one that uses a rubber gasket.