Part 1 Chapter 12 Summary

Captain Nemo has a lot of scientific instruments in his small austere room. Aronnax recognizes the thermometer and barometer. There is also a hygrometer that measures humidity, a sextant to show latitude and chronometers to show longitude. Another instrument is a manometer, which measures the depth of the ocean under the submarine.

The two men take a longer tour of the Nautilus. Captain Nemo explains that the ship manufactures its own electricity from seaweed. Electricity is used to pump air, give light and provide propulsion for the ship. Captain Nemo shows Aronnax the dining room, library, drawing room, kitchen, storerooms, furnaces and air reservoirs. He has a small boat available for use on the surface. When he uses the little boat, he stays connected to the Nautilus by an electric thread.

The engine room is very interesting. Its systems of levers...