The Electrical Researches of the Honourable Henry Cavendish, F.R.S., Written Between 1771 and 1781

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University Press, 1879 - Electric power - 454 pages
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Contents

Circle of 1 8 x 18 20 2
l
First experiment 291
li
Sat sol in 9939 sat sol Experiments in 1776 and 1777 on salt solutions Distilled water Effect of temperature Air in water Fixed air in water Other salin...
lx
693
lxi
NOTES BY THE EDITOR NOTE
lxii
Conductors and nonconductors
1
3 COMPARISON OF THE CHARGES OF COATED PLATES
3
Charges of two parallel disks close together
4
Infinite body
5
Molecular constitution of
6
Zero of potential
7
Cases of Attraction and Repulsion
8
Escape of electricity into the
9
Electromotive force required to produce a spark
10
Two circular disks
11
Capacity of a long narrow cylinder
12
From MS No
13
Lemma xvi
15
Influence of condensers
16
Attraction and repulsion
17
On the Thoughts concerning Electricity Early form of Cavendishs Theory of Electricity
18
Experiment of the globe and hemispheres
19
Capacity of a disk of sensible thickness
20
Two circles
21
Square
22
171
23
Capacity as affected by walls of room
24
PART II
44
On the cases in which bodies receive electricity from or part with
51
Charge of a condenser little affected by the presence of an over
52
140
64
151
70
Cor 176
85
EXPERIMENTS IN 1771
104
lx
114
Advantages of the method 246
115
Trial Plate
116
New apparatus for the comparison of capacities Fig 20 295
120
3 compared with one of 18 5
136
Plate not flat but of uniform thickness
141
List of plates of glass 592
144
The trial plate 297
147
Ten plates from Nairne 593
157
Slit coatings
159
Compared results
170
Effect of heat on glass To face p
180
Cor 2
181
Lemma Potential of two equal particles compared with that of their
187
Effect of floor and walls of the room
193
Condition of electric equilibrium between conductors in electric com
199
Electrification by induction
205
Effect of an overcharged body
209
The electricity of glass is here taken to be positive
217
The charging jar
223
Results Best formula for cylinder
224
Comparison with the globe
227
Advantages of the second method
229
The gauge electrometer
248
PAGE OF MS ARTICLES
250
The bodies to be tested were chosen of nearly equal capacity
254
Correction for spreading with electricity strong and weak
259
Leakage of the Leyden vials
260
Six different arrangements
266
Comparison with a very weak degree of electrification Large cylinder
268
Whether charge of Leyden vial bears the same proportion
269
Effect of the thiekness of a plate on its capacity
272
Bearing on the theory
278
B 2 79 D 2 73 white 2 85 B D N W tried
280
Oblong plate
284
Comparison of Lanes electrometer with light straw electro
291
Intensity of shocks 32 Iron wire and salt water
294
MEASURES
298
Advantage of the second method
299
These methods abandoned
305
Recapitulation of the theory of coated plates
311
First leather Torpedo 599
312
Comparison of D + E + F when close together and when six inches apart
317
Experiments without any Torpedo 613
319
Comparison of charges of jars and battery method of repeated communi
321
on thick plates and 0 09 on thin plates
323
9496
324
Globe circle square oblong cylinder
326
Comparison of water purged of air and plain water 624
326
Effect of thickness of glass
327
To find what power of the velocity the resistance is proportional to 629
336
Results 646
343
41 x 345 compared with double B by sliding coated plate
344
98
346
Charge of coated glass at different temperatures Fig
351
664
352
683
358
Effect of temperature
359
Other saline solutions
360
Globe and circle PAGI 362
368
Table of the charges of plates of other substances
371
Difference between thick plates and thin ones
377
Table of results with cylindric vials
383
Fifth hypothesis on the communication of electricity between conductor
384
The Leyden jars
389
Walshs experiments on the Torpedo 395
395
Conditions requisite for a spark and for attraction and repulsion 401408
401
Theory of this method 582
403
The two flat conductors between which the plate of air lies or in modern
404
Artificial Torpedo
409
Shocks in air and under salt water Law of divided currents 415420
415
The testing electrometer 244
418
Torpedo in a basket in sand shock through wet shoes and through net 421424
421
437
433
Structure of the electric organ
434
Reference to these experiments in the paper on the Torpedo
442
Sea salt
444
101105
449
417
450
464
453

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