THE ROLLO SERIES IS COMPOSED OF FOURTEEN VOLUMES, VIZ
A NEW EDITION, REVISED BY THE AUTHOR. BOSTON: PHILLIPS, SAMPSON, AND COMPANY
PREFACE.
CONTENTS. CHAPTER I. Page. Lost in the Snow, 9 CHAPTER II.
the ROLLO PHILOSOPHY
AIR.
CHAPTER I. LOST IN THE SNOW.
CHAPTER II. FLYING.
CHAPTER III. VALVE MAKING.
CHAPTER IV. EXPERIMENTS.
CHAPTER V. PRESSURE.
CHAPTER VI. BALLOONING.
CHAPTER VII. PHILOSOPHICAL DISCUSSION.
CHAPTER VIII. TASKS.
CHAPTER IX. BURNING.
CHAPTER X. GRAVITATION.
CHAPTER XI. AIR IN MOTION.
CHAPTER XII. AIR AT REST.
