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

Determination of the power of the velocity to which the resistance
lix
Three coated plates
lx
Experiments in 1776 and 1777 on salt solutions 689
lxi
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
19 Two wires 48 x1 at 36 and
18
Equilibrium of electricity in a globe 2027
20
Cor 2
35
Effect of an overcharged body
41
140
64
151
70
Applied to case of two parallel disks
85
188
91
Whether the conditions of equilibrium are the same for two bodies
94
PAGE OF MS ARTICLES
95
Four hypotheses
99
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
478
137
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 649
170
Effect of heat on glass To face p
180
Shocks from 1st Torpedo 596
205
Effect of an overcharged body
209
The electricity of glass is here taken to be positive
217
The charging jar
223
Advantages of the second method
229
Second experimentA piece of wood within a vessel formed of
235
Increase of charge by induction 652
240
Method of operation Fig 14
241
The gauge electrometer
248
PAGE OF MS ARTICLES
250
The bodies to be tested were chosen of nearly equal capacity
254
Leakage of the Leyden vials
260
Six different arrangements
266
Whether charge of Leyden vial bears the same proportion
269
Effect of the thickness of a plate on its capacity
272
Double plate
273
Bearing on the theory
278
comparison with Art 455
282
Oblong plate
284
Separation of Henlys electrometer by different strengths
288
MEASURES
298
Advantage of the second method
299
Spreading 0 07 on thick plates and 0 09 on thin plates
323
Verification of the theory of spreading
326
Fixed air in water 693
331
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
First hypothesis Electricity penetrates into the glass to a certain depth
350
Rate of spreading
352
Comparison of the plate D with the circle of 36 inches diameter with
356
Results ON RESISTANCE
359
Water with different quantities of salt in it 696
361
Comparison of the results
362
Table of results at different temperatures
368
Table of the charges of plates of other substances
371
Canals of incompressible fluid
375
Difference between thick plates and thin ones 877
378
Infinite body
379
Molecular constitution of air
380
Zero of potential
382
Cases of Attraction and Repulsion
383
Discussion of the results
384
Electromotive force required to produce a spark
387
Method of the experiment
390
Capacity of a long narrow cylinder
393
Trial of spreading by machine Fig
395
Shock given by the Torpedo under water
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
Artificial Torpedo
409
Early form of Cavendishs Theory of Electricity
411
Shocks in air and under salt water Law of divided currents 415420
415
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
B 2 79 D 273 white 2 85 B D N W tried
434
Structure of the electric organ
436
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
Sea salt
444
Other saline solutions
445
Globe and circle
448

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