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

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University Press, 1879 - Electricity - 454 pages

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Contents

Force between two bodies over or under charged 1315
13
Equilibrium of electricity in a globe 2027
20
Two plane parallel plates 28438
39
Charge of a condenser little affected by the presence of an over
52
Pressure of electric fluid against a surface
54
Charges of similar bodies as the n1 power of their corresponding diame
67
Charge of a thin flat plate independent of its thickness
73
Equilibrium of electricity in bodies communicating by a canal is
84
Cor 176
85
Whether the conditions of equilibrium are the same for two bodies
94
PAGE OF MS ARTICLES
95
Attraction and repulsion 106117
102
Fig PAGE
104
Advantages of the method 246
115
Trial Plate
116
New apparatus for the comparison of capacities Fig 20 295
120
On the cases in which bodies receive electricity from or part with
124
Fig 1 If the fluid uniformly spread on a circular plate
140
List of plates of glass 592
144
Machine for trying Leyden vials
145
Repulsion of two columns
146
The trial plate 297
147
Fig 4 Charge of two equal cylinders at a finite distance
152
Ten plates from Nairne 593
157
Fig 7 Concave plate compared with flat one
158
Slit coatings
159
Density increasing towards the circumference
164
On the Leyden vial
168
Fig 10 Penetration of glass by fluid
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
386
189
Effect of floor and walls of the room
193
Electric resistance of salt and fresh water and of iron wire
195
Condition of electric equilibrium between conductors in electric com
199
Artificial Torpedo
201
Electrification by induction
205
Effect of an overcharged body
209
The electricity of glass is here taken to be positive
217
Three coated plates 1 8 diam 18 thick
218
The charging jar
223
Double plates A and B and plate air 39 7 95
225
Consideration of the effects of external bodies on the globe and the plates
227
Advantages of the second method
229
Second experimentA piece of wood within a vessel formed of
235
Method of operation Fig 14
241
The gauge electrometer
248
PAGE OF
250
The bodies to be tested were chosen of nearly equal capacity
254
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
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 009 on thin plates
323
Comparison of water purged of air and plain water 624
326
Effect of thickness of glass
327
Fixed air in water 693
331
To find what power of the velocity the resistance is proportional to 629
336
Results 646
343
41 345 compared with double B by sliding coated plate
344
Increase of charge by induction 652
347
Charge of coated glass at different temperatures Fig
351
Correction for spreading with electricity strong and weak 665
353
Effect of temperature
359
Water with different quantities of salt in it 696
361
NOTES BY THE EDITOR NOTE PAGE 1 On the theory of the electric fluid
362
Distribution of hypothetical fluids in spheres c
368
Canals of incompressible fluid
375
Charges of two parallel disks close together
378
Infinite body
379
Molecular constitution of air
380
Zero of potential
382
Cases of Attraction and Repulsion
383
Fifth hypothesis on the communication of electricity between conductor
384
Electromotive force required to produce a spark
386
Two circular disks
387
Capacity of a long narrow cylinder
393
Two cylinders
400
Lemma XVI
401
Glass as a dielectric
402
Theory of this method 582
403
The two flat conductors between which the plate of air lies or in modern
404
Theory of the experiment with trial plates
406
On the Thoughts concerning Electricity
409
Early form of Cavendishs Theory of Electricity
411
Mode of charging the battery
414
Experiment of the globe and hemispheres
417
The testing electrometer 244
418
Torpedo in a basket in sand shock through wet shoes and through net 421424
421
Capacity of a disk of sensible thickness
423
Two circles
425
Square
426
Three parallel plates
427
Capacity as affected by walls of room
429
Tin cylinder c
430
Comparison of measurements of dielectric capacity
432
On Electrical Fishes
433
Structure of the electric organ
434
Excess of redundant fluid on positive side above deficient fluid on negative side
437
Reference to these experiments in the paper on the Torpedo
442
Pump water rain water salt in 1000 sea water 684
443
Sea salt
446
Salt and fresh water
448

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