II. 80

II. 82

II. 85

II. 278

Necessary Hints to those that would be Rich

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

* Address to the Readers of Poor Richard's Almanac On Government

*

1743.

Proposal for promoting Useful Knowledge among the
British Plantations in America .

1744.

VI. 14

Conjecture as to the Cause why Ships in crossing the Atlantic have longer Passages in sailing westward, than in sailing eastward

1747.

*Plain Truth; or Serious Considerations on the present State of the City of Philadelphia and Province of Pennsylvania

Northeast Storms; Origin of Springs in Mountains;

petrified Shells in the Appalachian Mountains;
Observations on a Tariff

Experiments on the Culture of Grass

On the Vis Inertia of Matter

Vol. Page.

VI. 74

A Conjecture as to the Cause of the Heat of the Blood in Health, and of the Cold and Hot Fits of some Fevers

First Letter to Peter Collinson on the Subject of Electricity; Wonderful Effect of Points; Positive and Negative Electricity

Observations on the Leyden Bottle, with Experiments

1748.

Advice to a Young Tradesman

Further Experiments on Electricity

III. 1

VI. 79

VI. 83

VI. 87

VI. 97

V. 181

V. 189

II. 87

V. 196

Observations and Suppositions towards forming a new Hypothesis for explaining the several Phenomena of Thunder-gusts

1749.

* Proposals relating to the Education of Youth in Pennsylvania

Sketch of an English School, for the Consideration of the Trustees of the Philadelphia Academy Magical Square of Squares

Magical Circle

1750.

Electrical Experiments; Effect of Lightning on the
Needle of Compasses explained

Opinions and Conjectures concerning the Properties

and Effects of the Electrical Matter, and the

Means of preserving Buildings and Ships from
Lightning

Additional Experiments in Electricity

Reasons why Northeast Storms begin at the South Electrical Papers and Experiments

Inquiries respecting the Mode of planting Hedges

1751.

Vol. Page.

V. 227

V. 253

V. 255

Observations concerning the Increase of Mankind, and

the peopling of Countries

Unlimited Nature of Electric Force

Queries and Answers on the Properties of Electricity
Remarks on Husbandry

1752.

Observations on Electricity, and the Sources and Properties of Lightning

Probable Causes of the different Attractions and Repulsions of two Electrified Globes

Reasons for supposing that a Glass Globe charges posi-
tively and a Sulphur Globe negatively

Supposition of a Region of Electric Fire above the
Atmosphere; Theorem concerning Light
Electrical Kite

Concerning the Smallpox in Philadelphia
Remarks on Mr. Colden's Theory of Light

Physical and Meteorological Observations, Conjectures,

and Suppositions

V. 269

V. 275

V. 280

V. 283

1753.

On the Mode of Coating Electrical Jars

An Account of various Electrical Experiments, with

Remarks and Explanations

Concerning the Light emitted by Salt Water

Water-Spouts and Whirlwinds Compared

Transit of Mercury in 1753 .

Properties of Water

Reply to Mr. Todd's Observations on a Meteorological

Papers relating to a Plan of Union of the Colonies, adopted by Commissioners assembled at Albany

Three Letters to Governor Shirley

Plan for settling two Western Colonies in North Amer-
ica, with Reasons for the Plan.
Additional Proofs of the Positive and Negative State
of Electricity in the Clouds

1755.

III. 22

III. 56

III. 69

V. 340

* An Act for the better Ordering and Regulating such as are willing and desirous to be united for Military Purposes in Pennsylvania

III. 78

III. 84

V. 341

Turkey killed by Electricity; Effects on the Operator V. 346
Miscellaneous Remarks on Electricity and Lightning.
Pointed Rods; Effect of Lightning on the Church at

The Way to Wealth; being a Summary of the Maxims and Proverbs in Poor Richard's Almanac

Observations on Mayz, or Indian Corn

Report of the Committee of Aggrievances of the Assembly of Pennsylvania

On the Effects of Electricity in Paralytic Cases
On Cold produced by Evaporation

1758.

Electrical Apparatus; Description of a Battery.
On the different Strata of the Earth.

Experiments and Remarks respecting Cold produced by Evaporation

1759.

Historical Review of the Constitution and Government

of Pennsylvania

On the Electricity of the Tourmalin

1760.

† Precautions to be used by those who are about to undertake a Sea Voyage

The Interest of Great Britain Considered, with Regard to her Colonies and the Acquisitions of Canada and Guadaloupe

Vol. Page.

III. 107

V. 363

II. 106

IV. 1

Effect of Air on the Barometer, and the Benefits de

rived from the Study of Insects

On the Bristol Waters, and the Tide in Rivers

1761.

Remarks on the Effects of Lightning

Tides in Rivers

Salt Water rendered Fresh by Distillation

Tendency of Rivers to the Sea; Effect of the Sun's

Rays on Cloths of different Colors

1762.

* Method of Securing Houses from the Effects of Lightning

Description of the Armonica, a new Musical Instrument composed of Glasses

Best Mediums for conveying Sound

A curious Instance of the Effect of Oil on Water