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

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the University Press, 1879 - 454 pages
 

Selected pages

Contents

First experiment
li
Resistance of pure water
lx
693
lxi
Experiments in January 1781
lxii
Remaining experiments
lxiii
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
Infinite body
5
Wilcke and Epinuss experiment of electrifying a plate of
7
Cases of Attraction and Repulsion
8
Consideration of the effects of external bodies on the globe and the plates
9
Electromotive force required to produce a spark
10
The repulsion between two bodies electrified to the same degree ought
11
Capacity of a long narrow cylinder
12
From MS No
13
Lemma XVI
14
Glass as a dielectric
15
Influence of condensers 393 400 401 402 404
16
Cor 2
17
Exp v circles 9 3 and 18
18
Experiment of the globe and hemispheres
19
New apparatus for the comparison of capacities Fig
20
Two circles
21
Square
22
Three parallel plates
23
Capacity as affected by walls of room
24
Effect of heat on glass
28
Experiment to test the theory Fig
31
Cor 5
41
113
49
Whether the charge of plate E bears the same proportion
51
Fig 1 If the fluid uniformly spread on a circular plate
61
Fig 3 Charge of cylinder compared with that of globe
69
Result of the comparison of different electrometers in p
70
157
75
Cor 6
81
Applied to case of two parallel disks
91
Cor 7
97
Cor 1 2
99
Advantages of the method
115
Comparison of Lanes electrometer with light straw electro
118
Method of making the experiment
120
Leakage of the Leyden vials
126
1st Night
129
Fifth experiment Charge of two small circles compared with that of
133
Hypothesis about the relative effect of surrounding bodies on the capa
142
List of plates of glass 592
144
The trial plate
147
These methods abandoned
153
Ten plates from Nairne 593
157
Experimental investigation of spreading
159
Comparison of different cylinders
161
Table of Results with plates of
164
411
202
Cor 3 4 Equally electrified bodies repel
203
Shocks from 1st Torpedo 596
205
423
208
Effect of an overcharged body
209
430
210
Comparison of measurements of dielectric capacity 432 28 Computed charge of hollow cylinder 432
211
On Electrical Fishes 433
212
438
216
The electricity of glass is here taken to be positive
217
Electric spark
221
Brass wire 72 19
222
The charging jar
223
Accumulation at the edge is greater in plates of air than in glass plates
224
Advantages of the second method
229
Second experimentA pięce of wood within a vessel formed of
235
ARTICLES
237
Exp IV
238
Method of operation Fig 14
241
98
249
4
252
518
258
K+L+M with A B and C also D+E+F with K L
261
SECOND PUBLISHED PAPER ON ELECTRICITY
262
Lanes electrometer compared with straw and paper electro
269
552
275
Coated plate compared with nonelectric body with strong and weak
280
Disturbing cause
287
Comparison of the diminution which the shock receives
293
Iron wire and salt water
294
First leather Torpedo 599
312
Experiment of p 61 tried with small ball blown to the
316
Experiments without any Torpedo 613
319
Comparison of conducting power of salt and fresh water in the latter
321
Comparison of water purged of air and plain water
326
To find what power of the velocity the resistance is proportional
332
RESISTANCE OF COPPER WIRE
338
Rosin 341 345 compared with double B by sliding conted plate
344
538
352
RESULTS ON RESISTANCE
359
Other saline solutions
360
Charge of coated glass at different temperatures Fig
366
Fifth hypothesis on the communication of electricity between conductor
384
The two flat conductors between which the plate of air lies or in modern
404
Mode of charging the battery
414
The testing electrometer 244
418
Shocks in air and under salt water Law of divided currents
421
Structure of the electric organ
434
Pump water rain water salt in 1000 sea water 684
443
Globe and circle
448
106117
449
445
451
lent thickness
452

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Common terms and phrases

battery canals of incompressible capacity Cavendish charge circ circle coated plate column communication compared computed conductor conducts consequently contain crown glass cylinder deficient fluid degree of electrification density diam diameter discharge disk distance doub double plates elec electric fluid electric organs electrified electromotive force experiment force glass plate hemispheres impelled incompressible fluid infinite inner globe Lane's Leyden vial manner Nairne observed overcharged particle pass piece pith balls placed plane plate air plate of glass potential Prop proportion quantity of electricity quantity of fluid quantity of redundant ratio redundant fluid repelled repulsion is inversely resistance salt in 69 seemed sensib shock side sliding plate small in respect space specific gravity spread uniformly square straw electrometer suppose surface theory thickness tinfoil torpedo touched trial plate tricity tried tube whole wire

Bibliographic information

TitleThe Electrical Researches of the Honourable Henry Cavendish, F.R.S, Written Between 1771 and 1781
AuthorHenry Cavendish
Publisherthe University Press, 1879
Original fromRutgers University
Digitized1 Dec 2021
Length454 pages
  
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