II. 85 II. 278 Necessary Hints to those that would be Rich The Way to make Money Plenty in every Man's * Address to the Readers of Poor Richard's Almanac VI. 14 1743. *Proposal for promoting Useful Knowledge among the British Plantations in America. 1744. *Organization of a Philosophical Society An Account of the new-invented Pennsylvania Fireplaces VI. 28 VI. 34 VI. 65 . VI. 70 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 III I . VI. 79 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 VI. 83 VI. 87 VI. 97 V. 181 Observations and Suppositions towards forming a new Hypothesis for explaining the several Phenomena of Thunder-gusts V. 211 1749. * Proposals relating to the Education of Youtn in Penn sylvania 1. 569 Sketch of an English School, for the Consideration of the Trustees of the Philadelphia Academy Magical Square of Squares Electrical Experiments; Effect of Lightning on the and Effects of the Electrical Matter and the Vol. Page. Means of preserving Buildings and Ships from Additional Experiments in Electricity Account of an Accident while making an Electrical T 227 V. 253 Reasons why Northeast Storms begin at the South VI. 105 Electrical Papers and Experiments Inquiries respecting the Mode of planting Hedges 1751. VI. 109 VI. 111 Observations concerning the Increase of Mankind, and the peopling of Countries Unlimited Nature of Electric Force Queries and Answers on the Properties of Electricity 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- Concerning the Smallpox in Philadelphia Remarks on Mr. Colden's Theory of Light and Suppositions 1753 On the Mode of Coating Electrical Jars V. 299 On the Motion of the Electrical Fluid in Metals Water-Spouts and Whirlwinds Compared Papers relating to a Plan of Union of the Colonies, adopted by Commissioners assembled at Albany III. 22 Three Letters to Governor Shirley Plan for settling two Western Colonies in North Amer III. 69 V. 340 ica, with Reasons for the Plan . Additional Proofs of the Positive and Negative State of Electricity in the Clouds. 1755 An Act for the better Ordering and Regulating such as are willing and desirous to be united for Military Purposes in Pennsylvania *Dialogue respecting the State of Affairs in Pennsyl- Experiments in Electricity, with Explanations Account of a Whirlwind in Maryland 1756. 1757. * Plan for saving One Hundred Thousand Pounds III. 78 III. 84 V. 341 V. 346 The Way to Wealth; being a Summary of the Maxims † Observations on Mayz, or Indian Corn sembly of Pennsylvania On the Effects of Electricity in Paralytic Cases Electrical Apparatus; Description of a Battery V. 347 Precautions to be used by those who are about to un dertake a Sea Voyage The Interest of Great Britain Considered, with Regard to her Colonies and the Acquisitions of Canada 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 VI. 222 VI. 225 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. Remarks on Judge Foster's Argument in Favor of the Right of Impressing Seainen On Electrical Attraction and Repulsion, and various Concerning the Leyden Bottle, and Electrical Experi- † Best Method of Securing a Powder Magazine from Lightning V. 407 On Fire VI. 239 * Method of Securing Houses from the Effects of Lightning Description of the Armonica, a new Musical Instrument composed of Glasses VI 245 Best Mediums for conveying Sound A curious Instance of the Effect of Oil on Water |