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VI AN. if you’ve evrr cuss*t! ov*r a *'¹ loUKh rcjwir . . . if you'vc iw n int I moro inoncy . . . if ynii’\'p ®vrr wanlet] your bu*ine*s and rcputalinn lo *row . . . hcrc’s a pmtrrfiil >hovc in llucir ili«*i1i«n*— th«* nr» Trlryitiou Kerriwr Sm-iring!

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You want guick facis on how to dc.il with toujch antrmia inMaltatiun* and >rhn.<i |»nJilnn>? Tlirn tu Chaptrr I and *ct many field tested suparcstiim*. What frninrncy an antenna shmild Ijc Cul tu? Turn tu 6 and >:et 4 coltimn> of elear rx|ilanation. willi exainpU-s. What tlncs an kleal viil«ii amplifier rrst>onsr curvc lock likr? Ta^e 127 illiisiratr* it (nr you. What slwujld you know alMiiit stmeing firfor televnioH rrcnvff$? Road the umplr lcxt frnm |>ai:c 281 to 300. Antennas (30 |KUtc5) . . • inMalling TV rccrivrr$ (12 pageO . . . irst ei|tii|»inei)l (27 pagC5t . . . RF. IF and vidro detretor stagi-s (45 pa*rs) . . . \*idro amplifiers (12 |M|ted . . . AGO systemu (10 l»aitr>> . . . picture tultt*. test pattorns. detlrction Systems (83 pa^es) . . . receiver alicnment (20 pafirs)

. . . I HF . . . Cnlnr (32 |»a|(«*> . . . thrrc^#S evm an easy-reference irouble-$lu*»tcr's chart, and end-of-chap-l«T nui>tiiiii>. plus a cnniplete. Milijeel*b>^a->tiliji<l in«l«*x to put rver_vvthing at your fingerlips fa>t! With all I his materiał. 421 pirturrs. 15 chaiitrrs. rxplainc<l in Ą-li-C fashinn. ifs no wonder that TV Keceiver Scmcing U the ⁱ‘Bible^M of the industry!

J0-Doy FREE Eiominotion for Readers of This Mogoiine

tliU tor len fuli ilay* at mir cSUelUf. ful lu nvn>v tu uiirfc on your tonfflir«t iiniltleitt*. tr rotTrr nul )tui*/ «tirr ll“« tlte M*x«m hrollt niakftnc aml llnte-tai Inc frim<l run i-erf hail. n-tiini It. Vun inrr imUilnc- Itiit mail r«iii|k*n iii at . Onrr tld« nrlming \* jtone. Il will tuko ni«>iith« to nmh otil anollirr.

D. VAN NOSTRAND COMPANY. INC. Dtpt. 3710, 120 Aleiondtr St.. Princeton. N. J.

Moil This for Free-Use Copy )<— —

0. VAN NOSTRAND COMPANY. INC.

Dept. 3710, 120 Aleiondtr St.. Princeton. N. J.

1'lffttc Mnd mr-ftif | «• iinv»' ritKI* UKK-« r««py

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(In Canodb: 35 Wottlogrr Ud., Toronto 14)_

"CALL-BACK" INSURANCE

CBS Electronics, Parker Street, New-buryport. Mass., has released a new bulletin entitled “Call-Back Insurance.” This bulletin. PA-222. can be obtained by writing to the firm s Ad-vertising Scrvice.

Two of the morę common causes of premature failure of replacemont tubes in the eustomcr's set aro heater cur-rent sur ges and interna! arcing. In this new four-page bulletin. aut hor Bud Tomcr dcscribes simple Circuit mwlifi-cations and adjustmenls the scrvice dealer can make himsclf to help ciim-inate these two important causes of “eall-backs.”

CAPACITOR CATALOGUE

Illinois Condenscr Coiniami/. 1616 North Throop Street. Chicago 22. Illinois. has released a new six-pagc. two-color eatalogue on subminiaturc electrolytic capacitois.

The booklrt includes pictures. dia-grams. technical in forma tion. and generał information as wcłl as charts for the guidancc of anyone interested in the company’s linę.

For a copy of the eatalogue and ad-ditional information. contact the firm at the above-mcntioned addiess.

MODULAR BENCH SYSTEM

PrOilncts For Indnstnf. Inc., 1530 Summcr Street. Stamford. Conn.. has a new illustrated six-pagc bulletin de-scribing modular assemhly benchcs which are not limited to lixed dimen-sions and which are madę from standard eatalogue parts.

The bulletin illustrates various con-figurations in which benchcs can be arranged showing modular and other acecssorics. uscd only where nccricd. Four difTcrcnt installations are fcu-tured. cach mecting different noeds. Also dcscribcd is a layout planning package which can make at least 34 different layouts.

LAFAYETTE S 1960 CATALOGUE

Lafuiiette Ratlios new eatalogue. No. 600. is now arailable free upon request. Writc to the firm at 165-08 Liberty Avemic. Jamaica 33. N. Y.

The 1960 generał eatalogue contains ovcr 300 pages of the latest clectronic parts and cquipment. including a com-plctc linę of stereo hi-fi components.

A fuli presentation of radio and tclc-vision parts. transistor kits and minia-turized components, antennas and in-stallation accessories. amateur gear, tools, technical books, tclescopes. mi-croscopes. and camcras are shown, as well as an extcnsivc section on publie address equipment.

The section on industrial equipment contains reeeiving and special purpose tubes, reetifiers, switchcs, relays, trans-formers, converters. and specialized components.

A new linę of precision seicntific instruments is offered. including re-fractometers. spoctroscopcs, and an cngincers transit.

1959 NEDA BATTERY JNDEX

National Electronic Distributors As-soeiation, 343 S. Dearborn St.. Chicago 4. Illinois, is now distributing the 1959 NEDA Bat tery Index.

This seventh edition is available to all clectronic distributors. whether members of the Association or not.

The format of the 1959 Index has bron changcd to make it usable both as a wali chart and in counter cata-loguc racks. It is a cross-reference and intcrehangcahlc numbers compilation prepared by representatives of manu-facturers of batteries and the NEDA battery indcx committec.

REPLACEMENT GUIDE

Triad Transfonner Corjtoration, 4055 Rcdwood Avcnue. Vcnice. California. has released its new replaccment guide and eatalogue TV-60. Copies may be obtained through the firms distributors or by writing the company direct.

In addition to the guaranteed ree-ommendations for the majority of replaccment problcms. the booklet contains a eatalogue of transformers manufaetured by the company for television and audio applications.

CONVERSlON CHART

Precision Equi/nnent Co. has pub-lishcd a reference table for enginccrs in wall-chart form. For a free copy. writc to the firm. 4411E Ravenswood Ave.. Chicago 40, Illinois.

Included in the charl are common conversions such as inches to centi-meters or watts to horsepower. as well as many comersions that are somc-times diflicult to locate in reference manuals.

POWER AND GAS TUBES

RCAs Electron Tubo Division has published a reviscd and enlarged edition of its popular 24-page booklet on the firm’s power and gas tubes.

This new 32-pagc edition contains data on 19 new tubę types. It providcs concisc technical information on power tubes, rcctifier tubes. thyratrons, and ignitrons. Each tubę ty|>c is covered by a thumb-nail text description; charted dimensions, ratings, and operating values; and a base or terminal-connec-tion diagram. Photographs of represen-

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