The Electrical Researches of ... Henry Cavendish, F. R. S.: Written Between 1771 and 1781, Ed. from the Original Manuscript ...

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University Press, 1879 - Electricity - 454 pages
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Contents

3 COMPARISON OF THE CHARGES OF COATED PLATES
3
From the MS in the possession of the Duke of Devonshire No
4
The repulsion between two bodies electrified to the same degree ought
11
From MS No
13
Machine for trying simple conductors
14
Machine for trying Leyden vials
20
Experiment to test the theory Fig
31
Plan of usual disposition of vials and bodies to be tried
42
Diminution of shock by passing through different liquors
43
Charge of a condenser little affected by the presence of an over
52
140
64
153
71
Cor 4
80
Cor 176
85
PAGE OF MS ARTICLES
95
Cor 7
97
Comparison with the globe
108
The Leyden jars
110
Advantages of the method
115
AN ATTEMPT TO EXPLAIN SOME OF THE PRINCIPAL PHENOMENA OF ELECTRICITY
116
New apparatus for the comparison of capacities Fig 20 295
120
Leakage of the Leyden vials
126
Dec 16 1771 Conductivity of stone squares
129
Comparison of the charges of four rosin plates with those of circles 93
132
Bearing on the theory
135
Allowance for connecting wire 648
137
23
140
Hypothesis about the relative effect of surrounding bodies on the capa
142
List of plates of glass 592
144
The trial plate 297
147
Ten plates from Nairne 593
157
24
159
Comparison of different cylinders
161
Table of Results with plates of
166
Charge directly as surface and inversely as thickness
168
348
172
Comparison of the results
178
Density more nearly uniform than if there had been
179
Effect of heat on glass
180
Cor 2
181
Effect of want of conductivity of the straws
182
Lemma Potential of two equal particles compared with that of their
187
386
189
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
1st Night
216
The electricity of glass is here taken to be positive
217
The charging jar
223
of the same thickness
224
Advantages of the second method
229
Second experimentA piece of wood within a vessel formed of
235
Increase of charge by induction 653
239
Method of operation Fig 14
241
PAGE OF
250
506
252
Lac and 4th rosin with D+E+F also thin wax with D +
258
Whether the charge of plate E bears the same proportion
264
Recapitulation of the theory of coated plates
311
First leather Torpedo 599
312
Experiment of p 61 tried with small ball blown to the
316
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
Verification of the theory of spreading
326
Fixed air in water 693
331
To find what power of the velocity the resistance is proportional to 629
336
41 x 345 compared with double B by sliding coated plate
338
Results 646
343
Side of square equivalent to trial plates
344
D E F M K L 657
349
Whether charge of Leyden vial bears the same proportion
353
RESULTS ON RESISTANCE
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
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 879
380
PART II
381
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
The battery and its charge
397
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
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
Pump water rain water salt in 1000 sea water 684 685
443
Sea salt
444
Electric spark
445
Globe and circle
448
Cor Distribution probably nearly the same as in plate of air of equiva
452
135139
453
c

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