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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Journey to the Center of the Earth by Jules Verne: any matter in a state of fusion.
2. An aneroid barometer, to indicate extreme pressures of the
atmosphere. An ordinary barometer would not have answered the
purpose, as the pressure would increase during our descent to a point
which the mercurial barometer [1] would not register.
3. A chronometer, made by Boissonnas, jun., of Geneva, accurately set
to the meridian of Hamburg.
4. Two compasses, viz., a common compass and a dipping needle.
5. A night glass.
6. Two of Ruhmkorff's apparatus, which, by means of an electric
current, supplied a safe and handy portable light [2]
Journey to the Center of the Earth |
