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London: Benjamin Franklin Stevens
4 Trafalgar Square Charing Cross
1882
To CADWALLADER COLDEN.
Conjecture as to the Cause why Ships in crossing
the Atlantic have longer Passages in sailing west-
ward than in sailing eastward .
CADWALLADER COLDEN TO B. FRANKLIN.
Answer to the foregoing Letter respecting the
Sailing of Ships across the Atlantic
TO JARED ELIOT. 16 July, 1747.
Linseed Oil. Northeast Storms.
--
74
76
Origin of
Springs in Mountains. Petrified Shells in the
Appalachian Mountains. - Observations on a Tariff
Law
TO JARED ELIOT.
-
Experiments in the Culture of Grass in Meadows
TO THOMAS HOPKINSON. 1747.
On the Vis Inertia of Matter
TO CADWALLADER COLDEN. 6 August, 1747.
Baxter's Book on the Vis Inertia of Matter.
Manufacture of Electrical Apparatus.
Colden's
93
A Conjecture as to the Cause of the Heat of the Blood
in Health, and of the Cold and Hot Fits of some
Fevers
97
100
104
Northeast Storms begin at the South. - Account
of a Copper Mine. - Subscriptions for an Acad-
emy in Philadelphia
TO CADWALLADER COLDEN. 28 June, 1750.
105
Electrical Papers and Experiments. -James Logan 109
TO JARED ELIOT. 25 October, 1750.
Inquiries respecting the Mode of Planting Hedges 111
TO JARED ELIOT. 10 December, 1751.
Remarks on Husbandry
CADWALLADER COLDEN TO B. FRANKLIN. 20 May, 1752.
Concerning Theories of Light
JOHN PERKINS TO B. FRANKLIN. 3 August, 1752.
Respecting the Number of Deaths in Boston by
TO JOHN Perkins. 13 August, 1752.
Concerning the Smallpox in Philadelphia
To CADWALLADER COLDEN. 14 September, 1752.
Remarks on Mr. Colden's Theory of Light.-
Translation of Electrical Papers into French
CADWALLADER COLDEN TO B FRANKLIN. 24 Oct. 1752.
Cause of the Cohesion of the Particles of Matter. -
Concerning a Translation of a German Writer's Re-
marks on Mr. Colden's Philosophical Principles
Physical and Meteorological Observations, Conjectures, and
Suppositions
JOHN PERKINS TO B. FRANKLIN. 16 October, 1752.
On Water-Spouts
JOHN PERKINS TO B. FRANKLIN. 23 October, 1752.
Further Remarks on Water-Spouts
W. MERCER TO B. FRANKLIN.
11 November, 1752.
Description of a Water-Spout at Antigua
TO JOHN PERKINS. 4 February, 1753.
Water-Spouts and Whirlwinds compared
TO JAMES BOWDOIN. 28 February, 1753.
Relating to the Transit of Mercury in 1753
TO JARED ELIOT. 12 April, 1753.
114
120
121
123
127
136
138
143
145
Observations on the Meteorological Paper; by a Gentleman
in Connecticut
Observations in Answer to the Foregoing; by B. Franklin
160
163
164
171
174
Observations on the Meteorological Paper; sent by Cad-
wallader Colden to B. Franklin
177
180
Answer to the foregoing Observations; by B. Franklin
Extracts from Dampier's Voyages, relating to Water-Spouts 183
WILLIAM SHERVINGTON TO B. FRANKLIN. 20 June, 1753.
On the Transit of Mercury across the Sun, May
6th, 1753, observed at Antigua
187
TO THOMAS CLAP. 8 November, 1753.
On Smeaton's Air-Pump
188
JAMES BOWDOIN TO B. FRANKLIN. 12 November, 1753.
Concerning the Light in Sea-Water
M. DALIBARD TO B. FRANKLIN. 31 March, 1754.
Intelligence on Philosophical Subjects
CADWALLADER COLDEN TO B. FRANKLIN. 2 April, 1754.
Water-Spouts. Wind generated by Fermenta-
tion.- Winds blowing in contrary Directions
New Theory of the Motion of the Planets best.
suited for calculating Astronomical Tables. - Abbé
Nollet's Book
195
197
CADWALLADER COLDEN TO P. COLLINSON. 28 May, 1754.
199
TO PETER COLLINSON. 25 August, 1755.
Account of a Whirlwind in Maryland
201
TO JOHN PRINGLE. 6 January, 1758.
On the different Strata of the Earth
TO JOHN LINING. 17 June, 1758.
Experiment with Ether for producing Cold by
Evaporation. Water kept cool in hot Countries.
The human Body cooled by Evaporation..
The Surface of the Earth and Vegetation cooled
in the same Manner
212
213