| [INTRODUCTION] | [1] |
| FIRST PERIOD. | |
| [The Dark Ages] | [3] |
| SECOND PERIOD. | |
| [Publicity and Progress] | [27] |
| THIRD PERIOD. | |
| [Collodion Triumphant] | [58] |
| FOURTH PERIOD. | |
| [Gelatine Successful] | [95] |
| CHRONOLOGICAL RECORD. | |
| [Inventions, Discoveries, etc.] | [126] |
| [CONTRIBUTIONS TO PHOTOGRAPHIC LITERATURE.] | [140] |
LIST OF ILLUSTRATIONS.
| [Frontispiece] | Portrait of Thomas Wedgwood. |
| „ | Portrait of Joseph Nicéphore Niépce. |
| „ | Portrait of Rev. J. B. Reade. |
| „ | Portrait of Henry Fox Talbot. |
| „ | Portrait of Sir John Herschel. |
| [27] | Portrait of L. J. M. Daguerre. |
| [27] | Portrait of John Frederick Goddard. |
| [27] | Copy of Instantaneous Daguerreotype. |
| [58] | Portrait of Frederick Scott Archer. |
| [58] | Hever Castle, Kent. |
| [95] | Portrait of Dr. R. L. Maddox. |
| [95] | Portrait of Richard Kennett. |