Chapter

 1 VIII |  vision by seventy miles, the barometer having fallen 480 millimeters.~
 2 X    |       Phil Evans.~In fact the barometer outside the central deck-house
 3 XII  |   typhoon—a rapid fall of the barometer, a disappearance of vapor,
 4 XII  |  winds sweeping over all.~The barometer indicated an altitude of
 5 XII  |       density of the air. The barometer showed twenty-three thousand
 6 XVII |    kept constant watch on the barometer—not so much to keep themselves
 7 XVII |    Indian Ocean.~Suddenly the barometer fell after keeping somewhat
 8 XVIII| symptoms became alarming. The barometer fell several millimeters.
 9 XVIII|       southwest. Suddenly the barometer fell more than a dozen millimeters
10 XVIII|     clock in the morning. The barometer, oscillating over a range
11 XX   |     the west.”~“What does the barometer say?” asked Robur, after