Electronics-Illustrated-1963-07

www.americanradiohistory.com
Interested in Amateur
Shortwave Radio
NEW RECEIVER GUIDE
r.(
from National
Just out! National's complete receiver guide.
All the facts and specs you need to choose the
very best in amateur shortwave equipment.
Describe:, in complete detail all of the superb
equipme -it built by National - including:
...electronics in the news
Some Shack ... The U.S. Navy's Kingsport
is the world's first ship outfitted
specifically to communicate with and
control satellites. That bulge midships
11111 11111
MC -190
Double sonversaan
receiver with National'3
exclusive
Dial Selector!
Product detecvor
and ferrite 6Per
selectivity, specs!
WIC. 60:1 Dial
Vernier for unequaled
tuning
v
NATIONAL
RADIO COMPANY, INC.
ease. $219.95.
NC -105
New all-band receiver
designed eictuslo&y
for the
shortwave listener,
novice, and Ni-
Fi fan. S meter
O multiplier. Eselusive
tuner output
for use with
your Ni -Fi system.
$119.95. NC -105W
in handsome walnut
case. $139.95.
Name
Address
NC -140
NC-60
world. $59.95.
Perfect choice for
the beginning
shortwave listen-
DoubN-
conversion atl-
Brand new!
vend receiver with
er. This superheterodyne
all -band
receiver with aunt
electrical band -
National's famous
Dial Selector and
0 multiplier selec.
spread and Witt- tivity. RF Stage
an speaker. Thou- and S- meter. No
sands in use
throughout the
other receiver
compares in salue.
$109.95.
A Wholly Owned Subsidiary
of National Company, Inc.
Melrose 76, Massachusetts City State
YIT//8LE$
is a 53 -foot radome housing a 30 -foot
parabolic antenna. Three 500 -KW generators
power the ship's equipment.
Light Gyro ... Aiming for near -perfect
stability in guidance systems, Sperry is
developing a closed- circuit laser that
may become the gyroscope's successor.
Because the gyro depends on a machine -
made wheel to sense motion, it is prone
to slight drift. The ring laser uses the
constant velocity of light to sense motion.
Our photo shows a prototype tabletop
arrangement of four helium -neon-
i .
GREENLEE CHASSIS PUNCHES
Make accurate, finished holes in 1% minutes
or less in metal, hard rubber and plastics. No
tedious sawing or filing -a few turns of the
wrench does the job. All standard sizes .. .
round, square, key, or "D" shapes for sockets,
switches, meters, etc. At your electronic parts
dealer. Literature on request.
GREENLEE TOOL CO. 5 E
2028 Columbia Ave., Rockford, Illinois W
12
gas tubes with mirrors at the corners.
Two light beams speed continuously in
opposite directions around the ring. Any
drift in the ring's bed produces a frequency
shift in the beams.
Electronics Illustrated