Chapter

1 VII|       the Balloon.—The Double Receptacle.—The Covering.—The Car.—
2 VII|   gallons of water in another receptacle.~The instruments provided
3 X  |   compressing air in an inner receptacle. A Belgian, Dr. Van Hecke,
4 X  | positive pole into the second receptacle. A third receptacle, placed
5 X  |    second receptacle. A third receptacle, placed above the second
6 X  |    lose themselves in an iron receptacle of cylindrical form, which
7 X  |    runs into this cylindrical receptacle through the lower plate;