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

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Cambridge University Press, 1879 - Electricity - 454 pages

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Contents

Sat sol in 9939 sat sol 688
lxi
Remaining experiments
lxiii
AN ATTEMPT TO EXPLAIN SOME OF THE PRINCIPAL PHÆNOMENA OF ELECTRICITY
1
3 COMPARISON OF THE CHARGES OF COATED PLATES
3
From the MS in the possession of the Duke of Devonshire No
4
Repulsion of a cone on a particle at the vertex 711
7
Force between two bodies over or under charged 1315
13
Cor 2
17
Equilibrium of electricity in a globe 2027
20
Two plane parallel plates 2838
28
Canals of incompressible fluid 3953
39
Cor 5
41
Plan of usual disposition of vials and bodies to be tried
42
PAGE
44
Pressure of electric fluid against a surface
54
Capacity when the density is supposed uniform
61
Charges of similar bodies as the n1 power of their corresponding diame
67
Charge of a thin flat plate independent of its thickness
73
Cor 4
80
PAGE OF
83
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
ACCOUNT OF THE EXPERIMENTS
104
Attraction and repulsion 106117
106
The charge of the inner globe is less than
110
Advantages of the method
115
On the cases in which bodies receive electricity from or part with
118
Method of making the experiment
120
Cantons and Franklins experiments
127
1st Night
129
Intention of the experiments
130
Fifth experiment Charge of two small circles compared with that of
133
Allowance for connecting wire 647
137
List of plates of glass 592
144
Three coated plates
146
The trial plate
147
These methods abandoned
153
Ten plates from Nairne 593
157
Experimental investigation of spreading
159
Comparison of different cylinders
161
Form of plate indifferent
167
On the Leyden vial
168
Dec 31
170
Density more nearly uniform than if there had been
179
To face p
180
Table of the charges of plates of other substances
182
Whether the force with which two bodies repel is as
189
Shocks from 1st Torpedo 596
205
438
216
Two tin circles of 9 3 compared with one of 18 5
222
ARTICLES
229
Large tin circle
236
Definition of the ratio of the charges of two bodies illustrated by
237
Increase of charge by induction 652
240
Separation of Henlys electrometer when fixed in the usual
246
506
252
518
258
4 REPULSION AS SQUARE OF REDUNDANT Fluid
263
HERE ENDS CAVENDISHS INDEX
297
First leather Torpedo 599
312
Experiment of p 61 tried with small ball blown to the
316
Experiments without any Torpedo 613
319
cation
321
Comparison of water purged of air and plain water 624
326
Charge of glass plates is many times greater than it ought to be by
332
To find what power of the velocity the resistance is proportional to 629
336
Hypothesis about the relative effect of surrounding bodies on the capa
338
Results 646
343
Experiment to determine whether the air between the plates is charged
344
H 658
349
First hypothesis Electricity penetrates into the glass to a certain depth
350
Whether charge of Leyden vial bears the same proportion
353
Table of glass plates 673
355
Comparison of the plate D with the circle of 36 inches diameter with
356
Fixed air in water 693
360
Experiments in January 1781 695
361
Comparison of the results
362
Table of results at different temperatures
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
Method of preventing the vibration of the straws
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
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
Mode of charging the battery
414
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
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
443
Salt and fresh water
444
Other saline solutions
445
Globe and circle
447
ARTICLES
449
Cor Distribution probably nearly the same as in plate of air of equiva
452
Eighth experiment Comparison of the charge of the middle plate
19

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