Part 4326 of 5100 from book39
The problem is not how to guide the balloon but how to take it up andbook53 down without expending the gas which is its strength its lifeblood its soul if I may use the expression.book30 The ascent would be usually more rapid than the descent but that is a fortunate circumstance since it is of no importance to me to descend rapidly while on the other hand it is by a very rapid ascent that I avoid obstacles.Success certain. Therefore these zones having been once determined the balloon will merely have to be placed in the currents best adapted to its destination.... more