E 302 .6 F7AR

1842

7095

٧٠

Entered, according to Act of Congress, in the year 1839, by HARPER & BROTHERS,

In the Clerk's Office of the Southern District of New-York.

CONTENTS

or

THE SECOND VOLUME.

ESSAYS.

The Way to Wealth; as clearly shown in the practice of

an old Pennsylvania Almanac, entitled, "Poor Richard

Page

Improved"

5

On True Happiness

14

Public Men.

16

The Ephemera; an Emblem of Human Life. To Madame

Brillon, of Passy

40

The Whistle. To Madame Brillon

42

On Luxury, Idleness, and Industry

45

On Truth and Falsehood

50

Necessary Hints to those that would be Rich

53

The Way to make Money plenty in every Man's Pocket

On the Price of Corn and the Management of the Poor

Singular Custom among the Americans, entitled White-

To * * *

Copy of the last Letter written by Dr. Franklin

PHILOSOPHICAL SUBJECTS.

To the Abbé Soulavie.-Theory of the Earth

Page

199

199

200

201

203

To Dr. John Pringle. On the different Strata of the Earth 207

To Mr. Bowdoin. - Queries and Conjectures relating to Mag-

netism and the Theory of the Earth

208

Το M. Dubourg. On the Nature of Seacoal

211

Causes of Earthquakes

212

To David Rittenhouse.-New and Curious Theory of Light

and Heat

224

Of Lightning; and the Methods now used in America for

the securing Buildings and Persons from its mischievous

To Dr. Perkins.-Water-spouts and Whirlwinds compared 240

To Alexander Small. On the Northeast Storms in North

America

To Dr. Lining.-On Cold produced by Evaporation

To Peter Franklin. On the Saltness of Seawater

To Miss Stephenson.-Salt Water rendered fresh by Distil-

lation.-method of relieving Thirst by Seawater

254

256

263

264

To the same.-Tendency of Rivers to the Sea.-Effects of

the Sun's Rays on Cloths of different Colours

To the same. On the Effect of Air on the Barometer, and

the Benefits derived from the Study of Insects

To Dr. Joseph Priestley.-Effect of Vegetation on Noxious

266

270

Air

273

To Dr. John Pringle. On the Difference of Navigation in

To M. Dubourg.-Observations on the prevailing Doctrines

of Life and Death

282

Lord Brougham's Portrait of Dr. Franklin:

:

. 285

2