Chapter

 1 IV   |        require a cubic yard of gas. A balloon pretending to
 2 VII  |      flying machines driven by gas. From 1854 to 1863 appeared
 3 XI   |     has to descend for want of gas. She still had food for
 4 XX   |        odor.~This was from the gas given off by the match,
 5 XXII |     would defy any dilation of gas or violence of wind or rain;
 6 XXII |      bodies. Ordinary lighting gas possesses an elevating force
 7 XXII |       ascensional power of the gas she contained was 40,000
 8 XXII | throwing out ballast or losing gas the aeronaut was able to
 9 XXIII|        time it was a fall. The gas had dilated in the higher
10 XXIII|        balloon, quite empty of gas, fell on the trees of the