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9
POPULAR
ELECTRONIC
ELECTRONICS
EXPERIMENTER'S
HANDBOOK
SPRING
EDITION
11.AS
BUILD
60 -WATT
GUITAR AMPLIFIER WITH FUZZ, REVERS AND
TREMOLO e
EXPERIMENTS WITH
BINARY ADDITION
G
BLOOD
PRESSURE
MONITOR e
SHORT -WAVE TIME
SIGNAL RECEIVER
is DIAL YOUR ROOM
LIGHTING
e
THREE
UNUSUAL ALARM
PROJECTS C
SINGLE
CHANNEL
COLOR ORGAN
e
ELECTRONIC
ORGAN
TUNER
o
TUNE BASS REFLEX
SPEAKER ENCLOSURE
e
BUILD
PRECISION VOLTMETER e
MEASURE
CAR ACCELERATION
SPRING
EDITION
*1.3S
BUILD
60
-WATT
GUITAR AMPLIFIER WITH
FUZZ, REVERB
AND
TREMOLO
is
EXPERIMENTS WITH BINARY ADDITION
G
BLtTOD
PRESSURE
MONITOR o
SHORT
-WAVE
TIME SIGNAL RECEIVER
G
DIAL YOUR
ROOM LIGHTING
e
THREE UNUSUAL ALARM
PROJECTS is
SINGLE
CHANNEL
COLOR
ORGAN
e
ELECTRONIC
ORGAN TUNER o
TUNE BASS
REFLEX SPEAKER ENCLOSURE
o
BUILD PRECISION
VOLTMETER
a
MEASURE CAR ACCELERATION
No doubt
about
it:
The more
you use
the Spring
1969 ELECTRONIC
EXPERIMENTER'S
HANDBOOK,
the more valuable
it becomes!
For
with this
new 150
-page
edition, you'll
build
the "Cyclops"
intruder
detector
an
automobile
omni -alarm
a
megahertz UJT
oscillator
the M /M /M instrument
amplifier
an
FET
interval
timer
a musical
pitch
reference
a transistor
test adapter
for your
VTVM
the
"Hart -65"
transmitter
even a
light control
for
battery-
operated
toys!
You'll construct
27 fascinating
electronics
items in
all -worth
literally hundreds
of dollars
-all for
a
mere
fraction
of their
actual value.
Each
project
contains
complete
schematics,
illustrations,
parts
lists
and
easy -to-
follow
instructions
that
guarantee
perfect finished
products!
GET
THE
DELUXE
LEATHERFLEX-
BOUND.EDITION
for just
$3.50 POSTPAID!
April, 1969
The
Spring
1969 ELECTRONIC
EXPERIMENTER'S
HANDBOOK
is also
available
in a
splendid
deluxe
edition.
Rugged
Leath-
erflex
cover
proyides
lasting
protection
yet
is
softly
tex-
tured and
gold -embossed
for
the
look
of elegance.
A
col-
lector's
item -a
superb
addi-
tion
to your
electronics
book-
shelf.
And it's
yours, for just
$3.50
postpaid,
when you
check
the
appropriate
bon
on the
order form.
But valuable
products are
only part
of the
profits
you get
from the
Spring
1969 ELEC-
TRONIC
EXPERIMENTER'S
HANDBOOK.
You
also profit
by doing,
learning, meeting
the
challenge
of today's
electronics
world.
You'll
pick
up scores
of professional
tips and
techniques
designed
to increase
your
elec-
tronics
skill . and
keep
up with the
latest
advances in
the field.
Be sure
to
order your
copy
while supplies
last.
Fill
and mail
the
coupon
below- TODAY!
ZIFF -DAVIS
SERVICE DIV., DEPT. EEH
-S
595 Broadway, New York,
N.Y.
10012
OK! Send
me the all -new Spring
1969 ELECTRONIC EXPERIMENTER'S
HANDBOOK.
$1.25
enclosed, plus
250
for
shipping and handling.
Send
me the
regular edition. ($2.00
for
orders outside the U.S.A.)
$3.50
enclosed. Send
me the Deluxe
Leatherflex -bound edition.
postpaid.
($4.50
for orders outside
the U.S.A.)
Allow
three addi-
tional weeks for
delivery.
Print
Name
Address
City
State Zip
I
missed the
big
Winter
1969 edition.
Please
send me the
regular
edition
Deluxe Leatherflex
-bound
edition.
(Prices same
as above.)
PAYMENT
MUST
BE ENCLOSED
WITH ORDER.
25
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