Chapter

 1 XII   | observing the variations of the barometer and noting down the details
 2 XII   |         The thermometer and the barometer, hanging up inside of the
 3 XII   |      within sight, and a second barometer suspended outside was to
 4 XIII  |     balloon was filled when the barometer, by a depression of eight
 5 XIV   |      rising, and, ere long, the barometer indicated a height of fifteen
 6 XIV   |         don’t lose sight of the barometer. To us it is the compass!”~
 7 XVI   |          Ferguson consulted the barometer; it announced twelve thousand
 8 XXVI  |        symptom of a fall in the barometer.”~“May Heaven hearken to
 9 XXVII |      morrow, was to consult the barometer. He found that the mercury
10 XXVIII|  Camping out.—Joe’s Dreams.—The Barometer begins to fall.—The Barometer
11 XXVIII|   Barometer begins to fall.—The Barometer rises again.—Preparations
12 XXVIII|        fall considerably in the barometer, and noticed evident signs
13 XXXII |       Ferguson, glancing at the barometer, which was now swiftly rising.~“
14 XLI   |      kept his eyes fixed on the barometer. “But that is not enough.”~
15 XLIII |         this, he glanced at the barometer.~“In any case, Joe,” added
16 XLIII |        The doctor consulted his barometer, and at once discovered