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Entered, according to Act of Congress, in the Year One Thousand Nine Hundred and Two, by the Bradley-Garretson Co., Limited, in the Office of the Librarian of Congress, at Washington.

Entered, according to Act of Parliament of Canada, in the Year One Thousand Nine Hundred and Two, by the Bradley-Garretson Co., Limited, in the Office of the Minister of Agriculture.

All Rights Reserved.

CONTENTS.

00

CHAPTER I.

INTRODUCTORY.

INVENTIONS AND DISCOVERIES.

Inventions and Discoveries.-Distinctions and Contrast.-
The One, Useful Contrivances of Man; the Other, New
Things Found in Nature.-Galileo and the Telescope.—
Newton and the Law of Gravitation.-Often United as
Soul and Body.-Inventions and Discoveries do not Pre-
cede or Succeed in Order.-Inventions-Alphabetical
Writing; Arabic Notation; The Mariner's Compass;
The Telescope; The Steam Engine.-Discoveries ;-At-
traction of Gravitation; Planetary Motions; Circula-
tion of Blood; Velocity of Light.-Nineteenth Century
Inventions and Discoveries.-Further Definitions.-Law
of Development.-Contrivances, not Creations.-Man
Always an Inventor.-Prof. Langley on Slow Growth
of Inventions.-Inventions of this Century Outgrowth
of Past Ones.-Egyptian Crooked Stick, Precursor of
Modern Plough.-Hero of Alexandria and James Watt.-
David's Harp and the Grand Piano.-Electrical Science
in 1600 and the Present Day.-Evolution and Interrela-
tion of the Arts.-Age of Machine Inventions.-Its Be-
ginning.-The Inducements to Invention.-Necessity
not Always the Mother.-Wants of Various Kinds.-Ac-
cident.-Governmental Protection the Greatest Incen-
tive.-Origin and Growth of Patent Laws.-Influence
of Personal, Political and Intellectual Freedom and Ed-
ucation.-Arts of Civilization Due to the Inventor.-
Macaulay's Estimate.-Will Inventions Continue to In-

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XI S

The Sowing of Grain.-The Sower of the Parables.-His
Art and its Defects Lasted until Nineteenth Century.—
The Problems to be Solved.-Assyrian and Chinese
Seeding Implements.-India.-Italy First to Introduce
a Grain Sowing Machine, Seventeenth Century.-
Zanon's Work on Agriculture, 1764.-Austria and Eng-
land.-A Spaniard's Invention.-Don Lescatello.-The

PAGE

Drill of Jethro Tull.-A Clergyman, Cooke's Machine.
-Washington and Others.-Modern Improvements in
Seeders and their Operation and Functions.-Force
Feed and Gravity Feed.-Graduated Flow.-Divided
Feeds for Separate Grains and Fertilizing Material.—
Garden Ploughs and Seeders.-Gangs of Heavy Ones.-
Operated by Steam.-Corn Planters.-Walking and Rid-
ing.-Objects of Proper Planting.-How Accomplished
by Machinery.-Variety of Machines.-Potatoes and the
Finest Seeds.-Transplanters.-Cultivators.-Their Pur-
poses and Varieties.-Primitive and Modern Toilers.—
Millet.-Tillers of the Soil no Longer "Brothers of the

Ox."

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