May 10, 1921.
CONTENTS
[ PREFATORY NOTE ]
[ THE AGE OF INVENTION ]
[ CHAPTER I. ] BENJAMIN FRANKLIN AND HIS TIMES
[ CHAPTER II. ] ELI WHITNEY AND THE COTTON GIN
[ CHAPTER III. ] STEAM IN CAPTIVITY
[ CHAPTER IV. ] SPINDLE, LOOM, AND NEEDLE IN NEW ENGLAND
[ CHAPTER V. ] THE AGRICULTURAL REVOLUTION
[ CHAPTER VI. ] AGENTS OF COMMUNICATION
[ CHAPTER VII. ] THE STORY OF RUBBER
[ CHAPTER VIII. ] PIONEERS OF THE MACHINE SHOP
[ CHAPTER IX. ] THE FATHERS OF ELECTRICITY
[ CHAPTER X. ] THE CONQUEST OF THE AIR
[ BIBLIOGRAPHICAL NOTE ]
CHAPTER NOTES