Chapter XII

EXAMINATION OF FULTON’S DESIGN 146
What the Nautilus accomplished. The British design compared
with that of the Nautilus. Folding propeller. Horizontal
propeller. Details of machinery. Effectiveness of the vessel.
Screening the Channel.

LIST OF ILLUSTRATIONS

Robert Fulton (self-portrait) _Frontispiece_

TO FACE PAGE
Title page of “Report on the Canal between the Rivers
Heyl and Helford” 8

Jonathan Hulls’ Steamboat, 1737 16

de Son’s Underwater Boat, 1653 18

Fulton’s “Nautilus,” 1798 26

Manuscript page of “Drawings and Descriptions” with
Fulton’s signature 54

Manuscript page from “Drawings and Descriptions” 56

Fulton’s Drawings of Submarine: Plate the First 60
Plate the Second 61
Plate the Third 62
Plate the Fourth 63
Plate the Fifth 64
Plate the Sixth 65
Plate the Seventh 66
Plate the Eighth 68
Plate the Ninth 70
Plate the Tenth 72
Plate the Eleventh 74
Plate the Twelfth 76

Compressed Air Cylinder 76

ROBERT FULTON AND THE SUBMARINE