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

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AN ATTEMPT TO EXPLAIN SOME OF THE PRINCIPAL PHENOMENA OF ELECTRICITY
1
3 COMPARISON OF THE CHARGES OF COATED PLATES
3
4 REPULSION AS SQUARE OF Redundant Fluid
4
Repulsion of a cone on a particle at the vertex 711
7
The repulsion between two bodies electrified to the same degree ought
11
Force between two bodies over or under charged 1315
13
Equilibrium of electricity in a globe 2027
20
Two plane parallel plates 2838
28
Cor 1
30
Experiment to test the theory Fig
31
Cor 3
36
Canals of incompressible fluid 3953
39
PAGE
44
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
Canals may be curved as well as straight
90
Whether the conditions of equilibrium are the same for two bodies com
94
Illustration from the equilibrium of
96
Attraction and repulsion 106117
102
ACCOUNT OF THE EXPERIMENTS
104
Comparison with the globe
108
Theory of the experiment
110
Advantages of the method 246
115
New apparatus for the comparison of capacities Fig 20 295
120
On the cases in which bodies receive electricity from or part with
124
Comparison of the charges of four rosin plates with those of circles 93
132
Fig 1 If the fluid uniformly spread on a circular plate
140
Hypothesis about the relative effect of surrounding bodies on the capa
142
List of plates of glass 592
144
Repulsion of two columns
146
The trial plate 297
147
Second method of trying the experiment
150
Fig 4 Charge of two equal cylinders at a finite distance
152
Ten plates from Nairne 593
157
Lemma xv11 Fig 7 Concave plate compared with flat one
158
Density increasing towards the circumference
164
On the Leyden vial
168
Fig 10 Penetration of glass by fluid
170
Comparison with a very weak degree of electrification Large cylinder
176
Method of preventing the vibration of the straws
182
386
189
Advantages of the second method
194
Shocks from 1st Torpedo 596
205
1st Night
216
of the same thickness
224
Plan of usual disposition of vials and bodies to be tried
229
Estimation of the degree of accuracy of the result
230
Circles 36 18 5 9 5
233
Intention of the experiments
236
Increase of charge by induction
239
Three sliding coated plates with brass sliders Six trial plates
242
D E F M K L
245
The gauge electrometer
248
501
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
Diminution of shock by passing through different liquors
262
Six different arrangements
266
Pump water rain water salt in 1000 sea water
295
HERE ENDS CAVENDISHS INDEX
297
Advantage of the second method
299
These methods abandoned
305
Electric resistance of salt and fresh water and of iron wire
310
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
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
332
541
337
463
338
41 345 compared with double B by sliding coated plate
344
544
352
683
358
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
Charge of coated glass at different temperatures Fig
365
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
Escape of electricity into the air
384
Electromotive force required to produce a spark
386
Two circular disks
387
Capacity of a long narrow cylinder
393
The battery and its charge
397
Two cylinders
400
Lemma XVI
401
Glass as a dielectric
402
Theory of this method
403
The two flat conductors between which the plate of air lies or in modern
404
Arrangement of the apparatus
406
On the Thoughts concerning Electricity
409
Early form of Cavendishs Theory of Electricity
411
Experiment of the globe and hemispheres
417
Interpretation of the result
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
Why the Torpedo gives no spark
434
Excess of redundant fluid on positive side above deficient fluid on negative side
437
Iron wire and salt water
443
Salt and fresh water
444
Other saline solutions
445
553
448
List of thickness and coatings of some plates see p 27
12

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