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Galvanometer, Astatic

7
D'Arsonval-

10
Nalder Brothers...

11
Ayrton-Mather's...

13
Holden's

15
“ Universal

17
Elliott Brothers ...

17
Rowland's

18
Cable Testing

20
Portable

20
Resistance, Measurement of, by
Half-Deflection Method

69
Resistance, Measurement of, by
Equal Deflection Method

70
Gott's Method for the Measure-
ment of Capacity

126

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PAGE
Earth Readings

83
Efficient

Faults, Partial, Localisation of 145
Eden's Da ly Insulation Tests,
G.P.O.

185
Electric Lamp, Resistance of 176
Electrification

81
Electro-Dynamometer, Siemens' 116
Electrometer, The

23
Electromotive Force, Standard of 38
Determination of, by Equal De-
flection Method

108
By Equal Resistance

109
By Wheatstone's Method...

109
By Poggendorff's Method

110
By Kempe's Method

112
By Lumsden's Method

113
By Fanie s Method

114
By Potentiometer Method

115
High Measurement of

116
Electrostatic Capacity (see Capacity).
Equal Deflection Method of Mea-
suring Galvanometer Resist.

70
Equal Deflection Method for the
Determina ion of E.M.F.

108
Equal Resistance Method for the
Determination of E.M.F.

109
Fault Localisation, Partial Earth... 145
By Blavier's Method

145
By Kingsford's Method

145
By Overlap Method

146
By Lumsden's Method

148
By Mance's Method

149
By Jacob- Method

150
By Kempe's Method

152
By Clark'- Method...

153
By Siemens' Method, Equal Po-
tential

154
By Siemens” Method, Equili-
brium

155
By Murray's
Loop Test

157
By Varley s Loop Test
In Cable at Factory

163
In Cable at Factory, by Warren's
Method

165
In Cable at Factory, By Jacobs’
Method

166
By “Burning Out

169
Fahie's Method of Fault Localisa-
tion

146
Fahie's Method for the Determina-
tion of E.M.F.

114
Farad
Fleming's Standard Cell

46
Standard Ohm

51
Bridge

35
Foster's, Carey Method of Low
Resistance Measurement

97
Galvanometer, Principle of action
of

1
Detector

2
Portable Needle

3
Tangent

4
Thomson Reflecting

6

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160

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52

145

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Lacoines Method for the Deter-

mination of E.M.F.
Lambert's Discharge Key
Lamp, Electric, Resistance of
Leads, Connecting
Leclanche Battery
Loop Test, Murray's

113

Varley's

63
176
92
54
157
160

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Mance's Method of Fault Local-

isation
Mance's Method of Measuring

Battery Resistance
Megohm.
Metre Bridge
Microfarad
Microhm...
Milliampère
Minotto Battery
Muirhead's Standard Cell
Multiplying Power of Shunt
Murray's Loop Test

72
50
36
52
50
50
58
43
29
157

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Short Circuit Key

60
Shunts, Principle of

27
Multiplying Power of

29
Universal

29
Siemens' Dynamometer

116
Diminished Charge Method of
Measuring Capacity

129
Loss of Charge Discharge of
Measuring capacity

130
Loss of Charge Deflection of
Measuring Capacity

130
Equal Potential Method of Fault
Localisation

154
Equilibrium Potential Method of
Fault Localisation

155
Silvertown Portable Testing Set ... 132
Resistance by

135
Insulation y

136
Manufacturers' Rules Regarding 138
Simple Circuit Key

59
Standard Cells (see Batteries)
Standards of E.M.F....

38
Current

50
Resistance

50
Capacity

52
Switch, Reversing

62
Plug

65

...

Ohm, Standard, Chrystal's...

51
Fleming's

51
Ohm s Law

69
Ohm.m ter, Evershed's

101
Overlap Method of Fault Localisa-
tion

146
Output of Battery when Working 176

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Warren's Method of Fault Local- 165

isation
We b’s Discharge Key

64
Wheatstone Bridge (see Bridge)
Method of Resistance Measure-
ment...

75

Reflecting Galvanometer

6
Resistances, Plug, Modification of 113

INSTRUMENTS, BELLS, &c.

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8. d. Electric Bells and Alarms By F. E. POWELL. Electric Batteries; How to make and use them. 07 Electric Be Is; How to make and fit them. PAUL E. HASLUCK.

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tratod. 18., and Cloth

2 0 Practical Radiography. By H. S. WARD.

6 Portative Elictricity. By J. T. NIBLETT. Illustrated 2 6 Electrical Bells and ali About Them. By S. R.

BOTTONE. Practica Book for Practical Mon, 100 illustrations.
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30 Induction Coils. A Practical Manual for Amateur Coil.

makers. By G. E. BONNEY. With a Chapter on Radiography. 101
Illustrations

3 0 Radiography: Its Theory, Practice, add Applications. By 8. R. BOTTONE, With Illustrations. Sm. crown 8vo.

3 0 Induction Coils and Coil Making A Treatise on

the Construction and Working of Shock, Medical and Spark Coils. By
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3 6 Electric Beli Construction: By F. C. ALLSOP. A

Practical Bookf or Prctical Men. 13 pp. and 177 illustrations 3 6 Electric Bell Fitting.

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A Practical Handbook by S. R. BorTONE. With 96 Illustrations. 38 Electric Toys. Electric Toy-Making, Dynamo Building,

and Electric Motor Construction for Amateurs. By T. O'CONNOR
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4 6 The Induction Coil in Practical Work, LEWIS W RIGHT

4 6 Electrical Influence Machines, By JNO. GRAY, B.sc....

4 6 The Bellhanger's Handbook, F. B, BADT.... The Construction of Large Induction Coils. A. T. HARE

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TELEGRAPHY,

s. d. Practical Telegraphy. By C. B. WARD Wireless Telegraphy. By R. KERR. Preface by Sir W. H. PREECE K.C.B.

1 0 *Telegraphists' Guide.

BELL, A.I.E.E. Fourth edition. 140 pp. 10 cuts. Strongly recommended Submarine Telegraphy. By Jas. BELL, A.I.E E.,

aud S. WILSON. A Practical Hardbook and Guide, with numerous

original illustrations
Wireless Telegraphy and Hertzian Waves.

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Wireless Telegraphy. Signalling across space without
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5 0 Telegraphy By Sir W. H. "PREECE, K.C.B., F.R.S.,

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MILLER Latest (3rd) Edition, revised and greatly enlarg ed. 518 pp.
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THEORY AND PRAOTICE

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d Small Accumulators : how Made and Used.

An Elementary Handbook for the use of Amateurs and studen s. By
PERCIVAL MARSHALL. 62 pp., fully Illustrated

07 The Slide Valve. Simply Explained. By Wm. J. TENNANT, A.M.I.M.E.

0 7 Dynamos and Electric Motors. How to Make and Run them. By Paul N. HASLUCK

1 0 Electrical Tables and Memoranda. By S. P.

THOMPSON, D.8c., BA, F.R.8., and EUSTACE THOMAS. Waistcoat
pocket size. 128 pp.

i 0 Ditto. Io celluloid case

6 Preliminary Practical Magnetism and Electricity. By John HENDERSON

1 0 Tables and Memoranda for Engineers. By J. T. HURST

1 0 Electricity Simplified. A Popular Treatise. By A. T. STEWART

1 0 A B C of Dynamo Design. A. H. AVERY 1 2 Arithmetic of Electrical Measurements. By W. R. P. HOBBS, R.N., A.I.E E.

1 2 The Practical Electrician's Pocket Book and

Diary. By H. T. (REWE, M.I.M.E. A thoroughly useful and
practical work which should be in the hands of every electrician,
wireman, and student in the United Kingdom. With Diary and ruled
paper for engineers, &c. For the pocket

1 2 Up-to-Date Applications of Electricity. By ALPHA

1 2 How to Make a Dynamo. A Practical Treatise for

Amateurs, Containing instruc.ions for Constructing a small Dynamo
to produce the Electric Light. By ALFRED CROFTS. Latest edition,
revised and enlarged

2 0 Problems and Solutions in Elementary Elec.

tricity and Magnetism. Embracing & Complete set of
Answers to the south Kensington Pap rs for the years 18-5-1894, and
a Series of Original Questions. By W. SLINGO and A, BROOKER
With 67 original illustrations

2 0 Alternate Current Transformer Design. By R. W. WEEKES, Whiw.dch., A.M.I.C.E.

2 0 The Slide Rule. A Practicəl Manual. By C. N. Pick

2 0 ABC of Electricity. W. H. MEADOW CROFT

2 0 Electricity in Mining, Professor SILVANUS P. THOMPSON

2 0 *A First Book of Electricity and Magnetism,

By W. PERREN MAYCOCK, M.I.E.E. Second edition, revised and

enlarged. Recommended Magnetism and ElectricityBy A. W. POYFER,

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