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B E N J A MIN FRANKL IN.
HIS SOCIAL EPISTOLARY CORRESPONDENCE, PHILOSOPHICAL, POLITICAL,
DIPLOMATIC TRANSACTIONS AS AGENT AT LONDON AND MINISTER
AUGMENTED BY MUCH MATTER NOT CONTAIN ED IN ANY FORMER EDITION
ENTERED according to the Act of Congress, in the year 1834, by JMcCarty & Davis, in Clerk's Office of the District Court of the Eastern District of Pennsylvania.
Essays and Correspondence.
Electricity.—Wonderful Effect of Points.–Posi-
Farther Experiments.—Leyden Bottle analyzed.
Accumulation of the electrical Fire in the elec-
Size of Rods for Conductors to Buildings.—De-
Choice of Glass for the Leyden Experimen - 328
Concerning the Leyden Bottle - - . 329
Physical and Meteorological Observations - ib.
On Water-spouts - - - - - 332
Water-spouts and Whirlwinds - - 334.340
Description of a Water-spout at Antigua - 339
Shooting Stars - - - - - ib
Observations on the Meteorological Paper 342.
Answers to the foregoing - - - 343.345
Extracts from Dampier's Voyages - 346. 347
C. Colden to Dr. Franklin - - - 347
Account of a Whirlwind in Maryland - - 348
On the N. E. Storms in North America - - 349
Meteorological Imaginations and Conjectures - 350
On Cold produced by £ - 350. 353
Concerning the Light in -Water - • 354
On the Saltness of Sea-water • - - 355
On the Bristol Waters, and the Tide in Ri-
vers - - - 356, 358
Salt Water rendered fresh by Distillation.—Me-
thod of relieving thirst by Sea-water - - 358
Tendency of Rivers to the Sea.—Effects of the
Sun's Rays on Cloths of different colours 359
Effect of Air on the Barometer, and the Benefits
derived from the Study of Insects 360
Effect of Vegetation on noxious Air . 361
On the Inflammability of the Surface of certain ib
Rivers in America - -
On the different Quantities of Rain which fall
at different Heights over the same Ground
Qn the Properties of an Hygrometer -
On the Difference of Navigation in shoal and
deep Water - - • - • 365
Improvements in Navigatio - . 366, 374
On the Gulf Stream - - • - 376
On the Warmth of Sea-water . - . 377
Journal of a Voyage from the Channel between
France and England towards America - 379
On the Art of Swimming • - 381.382
On the free Use of Air - - - - 383
On the Causes of Colds - - - ... ib.
On the Vis Inertiae of Matter - - - ib.
On the different Strata of the Earth - - 385
Theory of the Earth - - • - ib.
Theory of Light and Heat - - - • 387
Of Magnetism and the Theory of the Earth - 388
On the Nature of Sea Coal - - . 389
Number of Deaths in Philadelphia by Inoculation ib.
Answer to the preceding - - - - ib.
Effects of Lead upon the Human Constitution 390
The prevailing Doctrines of Life and Death - 391
New invented Pennsylvania Fire-places ' - 392
On the Causes and Cure of '' £ - 401
Description of a new Stove for burning Pit-coal
and consuming all its Smoke - . . . 414
Method of contracting Chimneys-Modesty in
Disputation - - - • -
POLITICAL ESSAYS. *
Concerning the Increase of Mankind, peopling
of Countries, &c. • - - - - 421
: # -
The handsome and deformed Leg • . 481