6BOYHOOD AT PORT HURON, MICHIGAN
33INTRODUCTION TO THE APPENDIX
7THE YOUNG TELEGRAPH OPERATOR
34APPENDIX
8ARDUOUS YEARS IN THE CENTRAL WEST
35I. THE STOCK PRINTER
9WORK AND INVENTION IN BOSTON
36II. THE QUADRUPLEX AND PHONOPLEX
10THE STOCK TICKER
37AUTOMATIC TELEGRAPHY
11AUTOMATIC, DUPLEX, AND QUADRUPLEX TELEGRAPHY
38IV. WIRELESS TELEGRAPHY
12THE TELEPHONE, MOTOGRAPH, AND MICROPHONE
39V. THE ELECTROMOTOGRAPH
13THE PHONOGRAPH
40VI. THE TELEPHONE
14THE INVENTION OF THE INCANDESCENT LAMP
41VII. EDISON'S TASIMETER
15MEMORIES OF MENLO PARK
42VIII. THE EDISON PHONOGRAPH
16A WORLD-HUNT FOR FILAMENT MATERIAL
43X. EDISON'S DYNAMO WORK
17INVENTING A COMPLETE SYSTEM OF LIGHTING
44XI. THE EDISON FEEDER SYSTEM
18INTRODUCTION OF THE EDISON ELECTRIC LIGHT
45XII. THE THREE-WIRE SYSTEM
19THE FIRST EDISON CENTRAL STATION
46XIII. EDISON'S ELECTRIC RAILWAY
20OTHER EARLY STATIONS—THE METER
47XIV. TRAIN TELEGRAPHY
21THE ELECTRIC RAILWAY
48XV. KINETOGRAPH AND PROJECTING KINETOSCOPE
22MAGNETIC ORE MILLING WORK
49XVI. EDISON'S ORE-MILLING INVENTIONS
23EDISON PORTLAND CEMENT
50XVII. THE LONG CEMENT KILN
24MOTION PICTURES
51XVIII. EDISON'S NEW STORAGE BATTERY
25THE DEVELOPMENT OF THE EDISON STORAGE BATTERY
52XIX. EDISON'S POURED CEMENT HOUSE
26MISCELLANEOUS INVENTIONS
53LIST OF UNITED STATES PATENTS
27EDISON'S METHOD IN INVENTING
54FOREIGN PATENTS
