Chapter

 1 III |    feather. In a hurricane—sixty yards a second—they would
 2 VIII|    railway trains do their sixty miles an hour; the ice-boats
 3 XI  |    and when she was within sixty feet of it she stopped dead.~
 4 XIII| miles, and a depth of from sixty to four hundred feet, would
 5 XIII| aeronef, now going at over sixty knots an hour, that the
 6 XIII|   The “Albatross” was only sixty feet from the crest of the
 7 XIV | jump from an express going sixty miles an hour is to risk
 8 XIV |  gardens, the palaces, the sixty thousand houses, and swept
 9 XV  |   within three hundred and sixty leagues from north to south,
10 XVI |   speed estimated at quite sixty miles an hour. The waves
11 XVII| night, in an atmosphere of sixty below freezing?~After she