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Conjectures concerning the Formation of the Earth, &c. in a Letter from Dr B. Franklin, to the Abbé Soulavie

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 1-5

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004845

A New and Curious Theory of Light and Heat; In a Letter from Dr. B. Franklin to David Rittenhouse, Esq

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 5-8

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004846

Description of the Process to Be Observed in Making Large Sheets of Paper in the Chinese Manner, with One Smooth Surface. Communicated by Dr. B. Franklin

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 8-10

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004847

Queries and Conjectures Relative to Magnetism, and the Theory of the Earth, in a Letter from Dr. B. Franklin, to Mr. Bodoin

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 10-13

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004848

Explanation of a Singular Phenomenon, First Observed by Dr. Franklin, and Not Hitherto Satisfactorily Accounted for. In a Letter from Mr. R. Patterson, to Dr. B. Rush

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 13-16

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004849

An Account of an Earthy Substance Found near the Falls of Niagara and Vulgarly Called the Spray of the Falls: Together with Some Remarks on the Falls. By Robert M'Causlin, M. D. Communicated by Benjamin Smith Barton, M. D

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 17-24

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004850

Observations on the Probabilities of the Duration of Human Life, and the Progress of Population, in the United States of America; In a Letter from William Barton, Esq. to David Rittenhouse, L. L. D. President, A. P. S

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 25-62

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004851

Extract of a Letter from Andrew Ellicott, to David Rittenhouse, Esq. Dated at Pittsburg, November 5th 1787, Containing Observations Made at Lake-Erie, on That Singular Phenomenon, by Seamen Termed Looming

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 62-63

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004852

An Account of the Sugar Maple-Tree of the United States, and of the Methods of Obtaining Sugar from It, together with Observations upon the Advantages Both Public and Private of This Sugar. In a Letter to Thomas Jefferson, Esq. Secretary of State to the United States, and One of the Vice Presidents of the American Philosophical Society

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 64-81

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004853

Memoir of Jonathan Williams, on the Use of the Thermometer in Discovering Banks, Soundings, &c

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 82-100

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004854

An Account of the Most Effectual Means of Preventing the Deleterious Consequences of the Bite of the Crotalus Horridus, or Rattle-Snake

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 100-115

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004855

Magnetic Observations, Made at the University of Cambridge (Massachusetts) in the Year 1785

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 115

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004856

Accurate Determination of the Right Ascension and Declination of β Bootes, and the Pole Star: In a Letter from Mr. Andrew Ellicott to Mr. R. Patterson

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 116-118

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004857

Account of Several Houses in Philadelphia, Struck with Lightning, on June 7, 1789

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 119-122

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004858

An Account of the Effects of a Stroke of Lightning on a House Furnished with Two Conducters, in a Letter from Messrs. David Rittenhouse and Francis Hopkinson; To Mr. R. Patterson

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 122-125

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004859

Experiments and Observations on Evaporation in Cold Air

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 125-133

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004860

Postscript to Mr. Barton's Letter, to Dr. Rittenhouse, of the 17th of March, 1791

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 134-138

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004861

New Notation of Music, in a Letter to Francis Hopkinson, Esq

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 139-143

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004862

Astronomical Observations, Communicated by David Rittenhouse. Observations of a Lunar Eclipse, Nov. 2d, 1789, and of the Transit of Mercury over the Sun's Disk. Nov. 5th the Same Year, Made at the University of William and Mary, by the Revd. Dr. James Madison

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 150-154

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004864

A Letter from Dr. Rittenhouse, to Mr. Patterson, Relative to a Method of Finding the Sum of the Several Powers of the Sines, &c

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 155-156

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004865

Index Florae Lancastriensis, Auctore Henrico Muhlenberg, D. D

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 157-184

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004866

Investigation of the Power of Dr. Barker's, Mill, as Improved by James Rumsey, with a Description of the Mill

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 185-193

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004867

A Thermometrical Journal of the Temperature of the Atmosphere and Sea, on a Voyage to and from Oporto, with Explanatory Observations Thereon, to David Rittenhouse, L. L. D. President of the American Philosophical Society

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 194-202

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004868

First Memoir of Observations on the Plants Denominated Cryptogamick

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 202-213

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004869

A Letter from Major Jonathan Heart, to Benjamin Smith Barton, M. D. Containing Observations on the Ancient Works of Art, the Native Inhabitants, &c. of the Western-Country

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 214-222

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004870

An Account of Some of the Principal Dies Employed by the North-American Indians. Extracted from a Paper, Communicated by the Late Mr. Hugh Martin

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 222-225

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004871

An Account of the Beneficial Effects of the Cassi a Chamæcrista, in Recruiting Worn-out Lands, and in Enriching Such as Are Naturally Poor: Together with a Botanical Description of the Plant

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 226-230

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004872

An Account of a Poisonous Plant, Growing Spontaneously in the Southern Part of Virginia. Extracted from a Paper, Communicated by Dr. James Greenway, of Dinwiddie-County, in Virginia

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 234-239

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004874

Description of a Machine for Measuring a Ship's Way: In a Letter from Francis Hopkinson, Esq. to Mr. John Vaughan

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 239-241

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004875

An Inquiry into the Question, Whether the Apis Mellifica, or True Honey-Bee, Is a Native of America

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 241-261

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004876

An Account of a Comet, in a Letter to Mr. R. Patterson

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 261

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004877

Cadmus, or a Treatise on the Elements of Written Language, Illustrating, by a Philosophical Division of Speech, the Power of Each Character, Thereby Mutually Fixing the Orthography and Orthoepy. With an Essay on the Mode of Teaching the Deaf, or Surd and Consequently Dumb, to Speak. By Wm. Thornton, M. D. Honored with the Magellanic Gold Medal, by the Philosophical Society, in December, 1792

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 262-319

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004878

An Improvement on Metalic Conductors or Lightening-Rods, in a Letter to Dr. David Rittenhouse, President of the Society, from Robert Patterson of Philadelphia. Honoured with the Magellanic Premium, by an Award, of the Society in December 1792

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 321-324

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004880

An Easy and Expeditious Method of Dissipating the Noxious Vapour Commonly Found in Wells and Other Subterraneous Places

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 324-325

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004881

A Method of Draining Ponds in Level Grounds

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 325-326

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004882

Observations on the Severity of the Winter 1779, 1780, by the Rev. Mathew Wilson of Lewis, Dated 22d June 1780

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 326-328

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004883

A Description of a New Standard for Weights and Measures; In a Letter from Mr. John Cooke, of Tipperary in Ireland, to Thomas Jefferson, Esq

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 328-331

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004884

Description of a Spring-Block, Designed to Assist a Vessel in Sailing. By Francis Hopkinson, Esq. of Philadelphia. Honoured with the Magellanic Gold Medal, by an Award of the Society, in December, 1790

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 331-333

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004885

A Botanical Description of the Podophyllum Diphyllum of Linnæus, in a Letter to Charles Peter Thunberg, M. D. Knight of the Order of Wasa, Professor of Medicine and Botany in the University of Upsal, &c. &c

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 334-348

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004886

Observations on the Construction of Hospitals, by Mr. Le Roy. Member of the Royal Academy of Sciences. (Extracted from an Essay on the Subject, Which, with Several Elegant Plans, Was Transmitted by the Author to the Society, but Could Not Be Inserted Entire, as It Contained Many Remarks of a Local Nature, Respecting Paris Only

Published in Transactions of the American Philosophical Society, in 1793, in volume 3, pages 348-350

Created: 2026-05-30, modified: 2026-05-30

doi:10.2307/1004887