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"BASIC ELECTRONIC TEST INSTRU-
MENTS" by Rufus P. Turner. Published
by Rinehart Books, Inc., New
York. 245 pages. Price $4.0).
Unlike Mr. Turner's previous book,
"Radio Test Instruments," this present
work deals with commercially -
available instruments and kits.
As
the author points out in the Foreword,
the availability of good co: nmercial
equipment at reasonable pi ices has
more or less obviated the design and
construction of such test geer except
for certain highly specialized units.
The book is divided into sixteen
chapters and covers such familiar test
units as simple current and voltage
meters, ohmmeters and v.o.n.'s, v.t:
v.m.'s, power meters, impede nce meters,
condenser checkers, in luctance
checkers, special -purpose I ridges,
oscilloscopes, r.f. test oscilla ors and
signal generators, audio os :illators,
frequency measuring devices for r.f.
and a.f., audio amplifier test t.nits, r.f.
signal tracers, and tube teste s.
The text material discus:ies how
such equipment operates and now it is
used in radio, television, and t'lectronic
testing and servicing. The exposition
is handled in Mr. Turner's usual
lucid style. The service tel hnician,
experimenter, ham, or studint will
find much of value in this practical
volume.
Type
1Á56T
IA6G
1Á76T
LABS
183
1135
187GT
1C5GT
1E7
106
1640
1X5OT
1L4
ILCS
INS
1PS
1QS
IRS
ISS
174
ITS
1U4
IUS
IV
1X2
243
2X2
344
3E5
304
3QSCT
354
3V4
Price Type
.30 5U4G
.30 SV4
.47 5W4
.30 5X4
.65 SY3G
.30 5Y3GT
.30 SY4G
.43 5Z3
.29 647
.30 648
.30 6A84
.40 6465
.46 61115
.51
64 /15
:57 6AL5
.58 64Q5
.45 6466
.39 GARS
.45 6455
.53 6456
.45 6ÁT6
.39 6ÁU6
.60 6AV5
.63 6ÁV6
.70 64X4
1.50 6B4C
.45 6646
.46 68A7
.48 6BC5
.49 660507
.46 6606
.47 68E6
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Price
.45
.73
.50
.40
.32
.32
.3S
.46
.59
.62
.44
.43
.90
.75
.38
.39
.37
.37
.50
.73
.37
.38
.83
.37
.53
.64
.39
.57
.44
.59
.45
.39
Type
68F5
6BF6
68066
6BH6
61316
661(7
6130667
6607
6BZ7
6C4
6C5GT
6C6
6C86
6CD6G
606
6E5
6FSGT
6F6
6066
611607
6J5GT
616
6176
618
61(5
6K6GT
61(7
6L6
6Q7
654
658
65Á7O7
6SD7CT
6SFSGT
SSG7GT
65X7
653767
6S1(7GT
65L7GT
6SN7GT
65Q7GT
65R7GT
6557
6T8
6U4
6U5
Price
.41
.37
1.25
.46
.39
.59
.59
.95
.95
.37
.39
.58
.44
1.11
.45
.48
.39
.37
.52
.41
.37
.52
.43
.30
.47
.37
.44
.64
.45
.38
.53
.43
.41
.46
.41
.73
.41
.41
.48
.52
.37
.45
.42
.58
.80
.44
Type
6U6
6U8
6V6CT
6W4GT
6W6GT
6X4
6X5GT
6X8
6Y6G
7A4
7ÁF7
784
7C6
7E6
7X7
12A8
12ÁL5
12476
12ÁT7
12ÁU6
12ÁU7
124V6
12ÁV7
124X4
124X7
12427
121346
12606
126E6
126E6
12E167
I2BY7
12156T
1258
12SA7GT
125E5
12SG1GT
12517
12SK7CT
12SL7CT
12SN7CT
125Q7
12567
1437
14W7
19BG6C
Price Type Price
.63 1908 .70
.61 1978 .79
.39 19V8 .89
.44 24A .63
.44 254V5 .83
.37 2580667 .62
.37 25L6GT .39
.61 25W4 .56
.48 25Z5 .40
.47 25Z6CT .37
.53 26
.45
.44 27
.39
.40 32L7 .89
.30 3585 .40
.70 35C5 .39
.61 35L6GT .41
.37 33W4 .37
.37 3524 .39
.56 35Z5GT .37
.38 36
.60
.43 41
.42
.39 42
.42
.59 43
.55
.48 45
.55
.48 4525 .49
.69 SOBS .39
.38 SOCS .39
.45 5006 .59
.39 50L6CT .41
.39 SOY7 .50
.63 57
.58
.65 58
.60
.42 70L7CT 1.09
.70 75
.41
.44 76
.44
.50 77
.57
.52 78
.47
.44 80
.35
.48 83
.68
.47 85
.59
.52 117L7 .99
.44 11723 .37
.49 807 1.50
.30 1274 .99
.30 2050 1.85
.95 6113 1.00
"REMOTE CONTROL BY RAI)IO" by
A. II. I3ruinsma. Published by Philips
Technical Library, Eindhoven, Holland.
Available in the U. ;i. from
Elsevier Press Inc., 402 Lovet t Blvd.,
Houston 6, Texas. 96 pages. Price
$1.50.
This is a practical handbool: covering
two systems for controllirg small
models by radio; an AM systt m with
two independent channels, and a
pulse- modulation system wit n eight
channels.
The only prerequisite to an understanding
of this text is a general
knowledge of radio and low voltage
techniques. Complete circuit diagrams
of the transmitters and receive rs used
in the systems are included alo ig with
a detailed parts list. The parts included
in the construction are standard
and no difficulty should be encountered
in purchasing thesis items
in the United States.
One especially helpful chapte r deals
with the construction of the )oat in
which the radio equipment is installed.
The demonstration craft is
capable of performing the fo'.lowing
functions with its eight- chanrel system:
port screw, starboard screw,
rudder, lowering and hoisting if
lifeboats,
four
turning a crane, op :rating
the hoisting cable of the crai e, and
operating the catapult for &looting
off an airplane. The sound a hannel
is the eighth function. Dim snsions
April, 1953
'Integrity Is Our
Chief Asset')
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TUBE CO.
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TELEPHONE
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New 1 -.0 h:n.det. with Flip switch In Ian. lr.
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Ua :x talaphims with dial & ringer bog.
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New Transmitter and ives units. like A in.
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SIGMA 5RJ 5000 ohm /1.5ma. Sealed 6.95
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143