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Read Ebook: The Complete Works in Philosophy Politics and Morals of the late Dr. Benjamin Franklin Vol. 2 [of 3] by Franklin Benjamin
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Ebook has 1180 lines and 170169 words, and 24 pages
LETTERS AND PAPERS ON PHILOSOPHICAL SUBJECTS.
Physical and meteorological observations, conjectures and suppositions 1
On water-spouts 11
The same subject continued 13
Water-spouts and whirlwinds compared 19
Description of a water-spout at Antigua 34
Shooting stars 36
Water-spouts and whirlwinds 37
Observations on the meteorological paper; by a gentleman in Connecticut 45
Observations in answer to the foregoing, by B. Franklin 49
Observations on the meteorological paper; sent by a gentleman in New York to B. Franklin 51
Answer to the foregoing observations, by B. Franklin 55
Gentleman of New York in reply 58
Account of a whirlwind at Maryland 61
On the north east storms in North America 63
Meteorological imaginations and conjectures 66
Suppositions and conjectures towards forming an hypothesis, for the explanation of the aurora borealis 69
On cold produced by evaporation 75
On the same subject 83
Concerning the light in sea-water 88
On the saltness of sea-water 91
On the effect of air on the barometer, and the benefits derived from the study of insects 92
On the Bristol waters, and the tide in rivers 95
On the same subject 102
Salt-water rendered fresh by distillation.--Method of relieving thirst by sea-water 103
Tendency of rivers to the sea.--Effect of the sun's rays on cloth of different colours 105
On the vis inertiae of matter 110
On the different strata of the earth 116
On the theory of the earth 117
New and curious theory of light and heat 122
Queries and conjectures relating to magnetism and the theory of the earth 125
On the nature of sea coal 125
Effect of vegetation on noxious air 129
On the inflammability of the surface of certain rivers in America 130
On the different quantities of rain which fall at different heights over the same ground 133
Slowly sensible hygrometer proposed, for certain purposes 135
Curious instance of the effect of oil on water 142
Letters on the stilling of waves by means of oil 144
Extract of a letter from Mr. Tengnagel to Count Bentinck, dated at Batavia, the 5th of January, 1770 154
On the difference of navigation in shoal and deep water 158
Sundry maritime observations 162
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 197
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 Pensylvania packet, Capt. Osborne, bound from London to Philadelphia, in April and May, 1775 199
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 200
A journal of a voyage from the Channel between France and England towards America 202
On the art of swimming 206
On the same subject, in answer to some enquiries of M. Dubourg 210
On the free use of air 213
On the causes of colds 214
Dr. Stark, and Dr. Letsom 215
Number of deaths in Philadelphia by inoculation ibid
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