6ARDUOUS YEARS IN THE CENTRAL WEST (pt. 2)
25EDISON PORTLAND CEMENT
7WORK AND INVENTION IN BOSTON
26MOTION PICTURES
8THE STOCK TICKER
27THE DEVELOPMENT OF THE EDISON STORAGE BATTERY
9AUTOMATIC, DUPLEX, AND QUADRUPLEX TELEGRAPHY
28MISCELLANEOUS INVENTIONS
10THE TELEPHONE, MOTOGRAPH, AND MICROPHONE (pt. 1)
29EDISON'S METHOD IN INVENTING (pt. 1)
11THE TELEPHONE, MOTOGRAPH, AND MICROPHONE (pt. 2)
30EDISON'S METHOD IN INVENTING (pt. 2)
12THE PHONOGRAPH
31THE LABORATORY AT ORANGE AND THE STAFF
13THE INVENTION OF THE INCANDESCENT LAMP (pt. 1)
32EDISON IN COMMERCE AND MANUFACTURE
14THE INVENTION OF THE INCANDESCENT LAMP (pt. 2)
33THE VALUE OF EDISON'S INVENTIONS TO THE WORLD
15MEMORIES OF MENLO PARK
34THE BLACK FLAG (pt. 1)
16A WORLD-HUNT FOR FILAMENT MATERIAL
35THE BLACK FLAG (pt. 2)
17INVENTING A COMPLETE SYSTEM OF LIGHTING
36THE SOCIAL SIDE OF EDISON (pt. 1)
18INTRODUCTION OF THE EDISON ELECTRIC LIGHT (pt. 1)
37THE SOCIAL SIDE OF EDISON (pt. 2)
19INTRODUCTION OF THE EDISON ELECTRIC LIGHT (pt. 2)