- Physical and Meteorological Observations, Conjectures and Suppositions.
- On Water-Spouts.
- The same Subject continued.
- Water-Spouts and Whirlwinds compared.
- Description of a Water-Spout at Antigua.
- Shooting Stars.
- Water-Spouts and Whirlwinds.
- Observations on the Meteorological Paper; by a Gentleman in Connecticut.
- Observations in Answer to the foregoing, by B. Franklin.
- Observations on the Meteorological Paper; sent by a Gentleman[10]in New-York to B. Franklin.
- Answer to the foregoing Observations, by B. Franklin.
- Gentleman of New York in Reply.
- Account of a Whirlwind at Maryland.
- On the North-East Storms in North America.
- Meteorological Imaginations and Conjectures.
- Suppositions and Conjectures towards forming an Hypothesis, for the Explanation of the Aurora Borealis.
- On Cold produced by Evaporation.
- TO THE SAME ON THE SAME SUBJECT.
- Concerning the Light in Sea-Water.
- On the Saltness of Sea-Water.
- On the Effect of Air on the Barometer, and the Benefits derived from the Study of Insects.
- On the Bristol Waters, and the Tide in Rivers.
- On the same Subject.
- Salt-Water rendered fresh by Distillation.—Method of relieving Thirst by Sea-Water.
- Tendency of Rivers to the Sea.—Effect of the Sun's Rays on Cloths of different Colours.
- On the Vis Inertiæ of Matter.
- On the different Strata of the Earth.
- Occasioned by his sending me some notes he had taken of what I had said to him in conversation on the Theory of the Earth. I wrote it to set him right in some points wherein he had mistaken my meaning.[21]
- New and curious Theory of Light and Heat.
- Queries and Conjectures relating to Magnetism and the Theory of the Earth.
- On the Nature of Sea Coal.[22]
- Effect of Vegetation on noxious Air.
- On the Inflammability of the Surface of certain Rivers in America.
- On the different Quantities of Rain which fall at different Heights over the same Ground.
- Proposing a slowly sensible Hygrometer for certain Purposes.
- Relating a curious Instance of the Effect of Oil on Water.
- Letters on the stilling of waves by means of oil
- Extract of a Letter from Mr. Tengnagel to Count Bentinck, dated at Batavia, the 5th of January, 1770.
- On the Difference of Navigation in shoal and deep Water.
- Containing sundry Maritime Observations.
- Remarks upon the Navigation from Newfoundland to New-York, in order to avoid the Gulph Stream on one hand, and on the other the Shoals that lie to the Southward of Nantucket and of St. George's Banks.
- Observations of the Warmth of the Sea-water, &c. by Fahrenheit's Thermometer, in crossing the Gulph Stream; with other Remarks made on board the Pennsylvania Packet, Capt. Osborne, bound from London to Philadelphia, in April and May, 1775.
- Observations of the Warmth of the Sea-water, &c. by Fahrenheit's Thermometer; with other Remarks made on board the Reprisal, Capt. Wycks, bound from Philadelphia to France, in October and November, 1776.
- A Journal of a Voyage from the Channel between France and England towards America.
- On the Art of Swimming.
- In Answer to some Enquiries of M. Dubourg[37].
- On the free Use of Air.
- On the Causes of Colds.
- Dr. Stark[38].
- Dr. Lettsom.
- Respecting the Number of Deaths in Philadelphia by Inoculation.
- In Answer to the preceding.
- On the Effects of Lead upon the human Constitution.[42]
- Observations on the prevailing Doctrines of Life and Death.
- An Account of the new-invented Pensylvanian Fire-Places:
- On the Causes and Cure of Smoky Chimnies.
- Description of a new Stove for burning of Pitcoal, and consuming all its smoke.[60]
- Method of Contracting Chimneys. Modesty in Disputation.
- Respecting covering Houses with Copper.[61]
- On the same Subject.
- Paper referred to in the preceding Letter.
- Magical Square of Squares.
- Magical Circle.
- Describing a new musical Instrument composed of Glasses.
- Respecting the best Mediums for conveying Sound.
- On the Harmony and Melody of the old Scotch Tunes.
- On the Defects of Modern Music.
- Description of the Process to be observed in making large Sheets of Paper in the Chinese Manner, with one smooth surface.[65]
- On Modern Innovations in the English Language and in Printing.
- A Scheme for a New Alphabet and reformed Mode of Spelling; with Remarks and Examples concerning the same; and an Enquiry into its Uses, in a Correspondence between Miss S——[67]and Dr. Franklin, written in the Characters of the Alphabet[68].
- Rules for a Club formerly established in Philadelphia[72].
- Questions discussed by the Junto forming the preceding Club[74].
- Sketch of an English School; for the Consideration of the Trustees of the Philadelphia Academy[75].
- Advice to Youth in Reading.
