7412533224

Now tor the tirst time!

SOLDER ALUMINUM EASILY, INEXPENSIVELY

with Reynolds new

soldering brush kit

At last, you can do a first-class sol-dering job on aluminum, right tn your own workshop—produce strong, clean, corrosion-resistant joints with Reynolds new soldering brush kit. The secret lies in the stiff fibrę glass brush which abrades the aluminum oxide on the metal surface so solder can be readily bonded to the bare aluminum. Sol dering is fast, easy, economical ... no flux required. See your local dealer or send check or money order for $1.98 to: Mailing Services, Dept. EW, P. O. Box 5027, Richmond 20, Va. Be surę to print name and address plainly. Do it todayl

A practical converter for emer-jrency use with powered home ■* or auto acta. Tuneable over 12 MC 108

with the unit is an adapter pług for wal) outlets not having the thrco-ele-ment receptacle.

The unit consists of an “on-ofT" switch, a neon indicator. and six reccp-tacles. The panel-mountcd fuse is con-veniently placed. The device is housed in a hammertone grey case of drawn Steel. Mounting ears are provided for fixed installation applications.

The Model 24 is rated at 15 amperes. 117 volts.

9-BAND TRANSISTOR PORTABLE

Admirał Coi-poiwtion. 3800 Cortland St.. Chicago 47, II). has announced its e n t r y into the transistor short-wave field with a new 9-band "Ali World" receiver.

The new re -ceiver uses nine transistors and three diodes. It provides cover-age of the 31, 25.

19. 16. and 13 me* ter bands in addi-tion to the standard broadcast. short-wave, long-wave, marinę, and weather bands. A dial light simplifies night tuning. Four built-in antennas include a ferroscope antenna for broadcast band frequencies, an antenna for the low-frequency rangę (both built into the carrying handle), a telescopic antenna that extends to 6 fcet, and a remote unit with extension cable for attaching to Windows of cars, trains. ships. planes. etc.

The receiver weighs 13 pounds, in-cluding the eight flashlight cells which power the set. The chassis is specially treated to resist humidity.

ANTENNA ANALYZER

The Electronic Division of Hujfdu Industries, Inc., 1426 W. Front St.. Plainfield. N. J. is now marketing a simple and inexpensive antenna analy-zer which is intended to insure perfect matching of antennas and feeder lines.

Especially designed to help maintain maximum operat ing rangę in mobile radio networks such as those used by

WANTED!

Equipment,

Components or Parts!

If you have something to sell. let ELECTRONICS WORLD readers know about it in our classified section. It costs very little: just 50C a word including name and address. Minimum message: 10 words. For further Information, write:

Martin Lincoln ELECTRONICS WORLD One Park Ave.

New York 16, N. Y.

CRYSTAL CONTROLLED CONVERTERS

POLICE • FIRE • C0MMERCIAL

For use with 12 V. Transistor type car radios— 26-50 MC.

$24.50

Can be aelf inatalled in aeconda. Other modela for 162-162 MC available. Also complete linę of conventional powered convertera. tunera and receivera.

aulo seta. luneabie over iż i. 26-60 MC or f |Q QC 3-174 MC.....* ■ 0«35l

Alao available cryatal eon-trolled up to 64 MC. .Sll.fS

ORDER TODAY OR WRITE FOR LITEHATUHE

t

police. flre, marinę, taxis, and oil com-panies. the Model B-3-58 antenna ana-lyzer can be operated by personnel without special training in electronics. It instantly spots any mismatch be-tween transmitter and feeder linę or between feeder linę and antenna.

The new analyzer operates from 3 to 260 mc. with powers up to 1 kw. Packaged in a ruggedized carrying case. the instrument consists of two units—a directional coupler measur-ing 8" x 2*4" x 2" and a double d.c. amplifier measuring 12" x 7" x 2" con-

October, 1959

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ELECTRONICS

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MONTH

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Check one: □ 3 years for SIO

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Foreign rates: Pan American Union

countries, add .50 per year; a)l other foreign countries, add $1.00 per year.

Mail to: ELECTRONICS WORLD

Dept. EW 109

434 S. Wabash Ave., Chicago 5, II).

157