Five Weeks in a Balloon

CHAPTER SEVENTH.

Ge­omet­ri­cal De­tails.–Cal­cu­la­tion of the Ca­pac­ity of the Bal­loon.–The Dou­ble Re­cep­ta­cle.–The Cov­er­ing.–The Car.–The Mys­te­ri­ous Ap­pa­ra­tus.–The Pro­vi­sions and Stores.–The Fi­nal Sum­ming up