Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon . MONTGOLEIERES, CHARLIERES, AND EOZIEKES. 21 no bitterness-existed between the two inventors, although it isundoubtedly true that there was a very lively controversy as to. Fig. 11.—Paris, showing the Eiffel Tower. Photograph by Count cle la Vaulx. the merits of the rival schemes. It is impossible to deny thatCharles showed great originality in all his work. The shape ofhis balloon was indeed the same as that of his rivals design,but it is obvious that no
Airships past and present, together with chapters on the use of balloons in connection with meteorology, photography and the carrier pigeon . MONTGOLEIERES, CHARLIERES, AND EOZIEKES. 21 no bitterness-existed between the two inventors, although it isundoubtedly true that there was a very lively controversy as to. Fig. 11.—Paris, showing the Eiffel Tower. Photograph by Count cle la Vaulx. the merits of the rival schemes. It is impossible to deny thatCharles showed great originality in all his work. The shape ofhis balloon was indeed the same as that of his rivals design,but it is obvious that no other shape was reasonably possible, 22 AIRSHIPS PAST AND PRESENT. seeing that he must have well known that a sphere combinesthe greatest volume with the smallest surface. In the pilotballoon he invented an auxiliary whicrr is of great use in meteoro-logy as well as in aeronautics, and it is obviously of importanceto know beforehand the direction of the overhead breezes. TheAbbes Miollan and Janihet had a special method for using themduring a voyage. They proposed to keep one small balloon,filled with hydrogen, at a height of 150 ft. above the main track,and a second, filled with air, at the same distance below. In thisway they would be able to determine the direction of the breezesover a vertical spa
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