Chapter II: The Highway of the Waters

Use of sails in ancient times, p. 56--Ships with many banks
of oars, p. 57--Mediæval ships, p. 59--Modern sailing ships,
p. 60--The sailing record of _The Sovereign of the Seas_,
p. 60--Early attempts to invent a steamboat, p. 63--Robert
Fulton's _Clermont_, p. 64--The steamboat of Blasco de Gary,
p. 66--The _Charlotte Dundas_, p. 67--The steamboat invented
by Col. John Stevens, p. 68--Fulton designs the _Clermont_,
p. 71--The historic trip of the _Clermont_ up the Hudson, p.
71--Sea-going steamships, p. 73--Ships built of iron and steel,
p. 74--The _Great Eastern_, p. 76--Principal dimensions of the
_Great Eastern_, p. 78--Twin-screw vessels, p. 80--The triumph
of the turbine, p. 81--The _Lusitania_ and _Mauretania_, p.
82--Submarine signalling, p. 83--The rescue of the _Republic_,
p. 84--How the submarine signalling device works, p. 86--The
_Olympic_ and _Titanic_, p. 90--Liquid fuel, p. 90--Advantages
and disadvantages of liquid fuel, p. 91.

CHAPTER III

SUBMARINE VESSELS

Slow development of submarine navigation, p. 93--The first
submarine, p. 94--Description of David Bushnell's boat, p.
94--Attempts to sink a war vessel during the American Revolution,
p. 97--Robert Fulton's experiments, p. 98--The attack on the
_Argus_ by Fulton's submarine, p. 100--The attack upon the
_Ramilles_ in 1813, p. 102--A successful diving boat, p. 103--The
sinking of the _Housatonic_, p. 104--Recent submarines and
submersibles, p. 105--The _Holland_, p. 106--The Lake type of
boat, p. 108--Problems to be overcome in submarine navigation, p.
109--Present status of submarine boats, p. 111--The problem of
seeing without being seen, p. 113--The experimental attacks upon
the cruiser _Yankee_ in 1908, p. 115--The possibility of using
aeroplanes for detecting the presence of submarines, p. 117.