1. Zoom-In Inquiry Bushnell's American Turtle Library of Congress

2. What do you see in the picture? What do you think this is a picture of?

3. What do you see now? What do you think this could be used for?

4. What new information has been revealed? What conclusions can you draw?

5. What is this vehicle? What is it used for?

6. What conclusions can you draw from this diagram? How do you think this vehicle protects it’s passengers from pressure, cold temperatures and lack of oxygen? Plan for Parker Submarine, Library of Congress

7. Here are some more early submersibles… Winona (Ironclad), Library of Congress [Submarine ("Submarine Vessel, Submarine Bombs and Mode of Attack") for the United States government. Submarine vessel, longitudinal section [Submarine ("Submarine Vessel, Submarine Bombs and Mode of Attack") for the United States government. Water chambers, valves, water passages]

8. Fulton, Robert (1806). [Submarine ("Submarine Vessel, Submarine Bombs and Mode of Attack") for the United States government. Submarine vessel, longitudinal section]. Library of Congress: Prints & Photographs.[Submarine ("Submarine Vessel, Submarine Bombs and Mode of Attack") for the United States government. Submarine vessel, longitudinal section]. Fulton, Robert (1806). [Submarine ("Submarine Vessel, Submarine Bombs and Mode of Attack") for the United States government. Water chambers, valves, water passages]. Library of Congress: Prints & Photographs.[Submarine ("Submarine Vessel, Submarine Bombs and Mode of Attack") for the United States government. Water chambers, valves, water passages]. Unknown. (1881). Bushnell's American turtle. Library of Congress: Prints & Photographs.Bushnell's American turtle. Unknown. (n.d.). Plan for Parker submarine. Library of Congress: Prints & Photographs, George Grantham Bain Collection.Plan for Parker submarine. Waud, A. R. (1860-1865). Winona. [Ironclad]. Library of Congress: Prints & Photographs.Winona. [Ironclad].