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As We Go To Press (Continued) Airborne TV System For Supersonic Speeds An airborne TV system to be used in jet aircraft reconnaissance by the U. S. Air Force has been developed at Philco's Gov. & Industrial Div. for the Aerial Reconnaissance Lab. at Wright Air Development Center. The new airborne TV system will provide ground control points with an active picture of troop movements or terrain. It can operate not only from near ground level, but from the stratosphere, beyond reach of antiaircraft gun fire. The new airborne reconnaissance system is a complete, self - contained, broadcasting station, so compact that it may be carried in single -seat aircraft. To cover a wide area, two unmanned, studio -quality TV cameras are used in the plane. Signals from the plane are transmitted to the ground control point where they are picked up by a receiver. There, the picture may be instantaneously photographed on 35mm film which can be processed in less than a minute. Immediately, the picture may be projected on theater -size screens at the control point, or relayed to other locations. Also, pickups from slower- moving aircraft may be observed, live, on standard fine -line monitors. The inherent difficulties of obtaining a clear, sharp picture from aircraft traveling at supersonic speeds has been overcome by the development of unique transmitter circuitry and the method of transmitting a high -quality picture. It is now possible to slow, or stop, TV pictures taken at high speeds without a blur of ground movement. Data, such as time and position, may be automatically printed on the film. In addition to on -thespot coverage, a permanent reconnaissance record may now be maintained. More News on page 28 A Coning Events listing of meetings, conferences, shows, etc., occurring during the period June through October, 1956 that are of special interest to electronic engineers June 5 -6: Spring meeting of the RTCA, in cooperation with the Boston sections of the IRE and the IAS; at the Hotel Statler, Boston, Mass. June 6 -8: Second Annual Meeting, American Nuclear Society; Palmer House, Chicago, Ill. June 11 -15: Fourth annual Technical Writing Institute; at Rensselaer Polytechnic Institute, Troy, N. Y. June 25 -27: Symposium on the methods, materials and processes involved in the uses of high temperature in science and industry, sponsored jointly by Stanford Research Institute and the Univ. of Calif., on the University's Berkeley, Calif., campus. Aug. 20 -21: The National Telemetering Conference, sponsored jointly by the IRE, the AIES, the IAS, and the ISA, in Los Angeles, Calif. Aug. 21 -24: WESCON Show, Pan Pacific Auditorium, Los Angeles, Calif. Aug. 22 -Sept. 1: 23rd Annual (British) National Radio Show, sponsored by the Radio and Electronic Component Manufacturers Federation, at Earls Court, London, England. Sept. 11 -12: Second RETMA Conference on Reliable Electrical Connections, at Irvine Auditorium, University of Penn., Philadelphia, Pa. Sept. 12 -14: Third National Conference on Tube Techniques, sponsored by the Working Group on Tube Techniques of the Advisory Group on Electron Tubes; in New York, N. Y. Sept. 17 -21: Symposium on radiation effects on materials, sponsored jointly by The Atomic Industrial Forum and ASTM; at ASTM Pacific Area National Meeting, Los Angeles, Calif. Sept. 17 -21: 11th Annual Instrument- Automation Con f e r e n c e and Exhibit, sponsored by the ISA, at the New York Coliseum, New York, N. Y. Oct. 1 -3: 12th Annual Conference of the NEC; at the Hotel Sherman, Chicago, Ill. Oct. 8 -9: Second National Symposium on Aeronautical Communications, sponsored by the IRE Prof. Gp. on Communications Systems; at the Hotel Utica, Utica, N. Y. Oct. 9 -10: Conference on Computer Applications, sponsored by Armour Research Foundation of Illinois Institute of Technology, Chicago, Ill. Oct. 15 -17: Radio Fall Meeting, sponsored jointly by the IRE and RETMA, at the Hotel Syracuse, Syracuse, N. Y. Oct. 16 -18: Conference on Magnetism and Magnetic Materials, sponsored by the Magnetics Subcommittee of the Basic Science Committee of AIEE, at the Hotel Statler, Boston, Mass. Oct. 29 -30: Third Annual East Coast Conference on Aeronautical and Navigational Electronics, sponsored jointly by the Baltimore Section of IRE and the IRE Prof. Gp. on Aeronautical and Navigational Electronics; at the Fifth Regiment Armory, Baltimore, Md. Oct. 31 -Nov. 2: 20th Anniversary National Time and Motion Study and Management Clinic, sponsored by the IMS, at the Sherman Hotel, Chicago, Ill. Abbreviations: ASTE: American Society of Tool Engineers ASTM: American Society for Testing Materials AIEE: American Institute of Electrical Engineers IAS: Inst. of Aeronautical Sciences IMS: Industrial Management Society IRE: Institute of Radio Engineers ISA: Instrument Society of America NEC: Nationil Electronics Conference RETMA: Radio -Electronics -TV Manufacturers Assoc. RTCA: Radio Technical Commission for Aeronautics WESCON: Western Electronic Show and Con - vention 24 Tele -Tech & ELECTRONIC INDUSTRIES June 1956
1.111111111119,911, continues to offer the most advanced line of reliable MIL -T -27 inductors, filters and delay lines. Variable Inductors inductance values up to 1000 henrys variable over a range of ± 10% high Q, small size for low- frequency tuning applications Molded Toroids inductance precision within 1% high Q because molded construction minimizes distributed capacity subminiature to standard sizes compact and sturdy Subminiature Adjustoroids precise continuous adjustment of inductance over a 10% range no external control current needed hermetic sealing low cost Encapsulated Toroids hermetically sealed high Q center mounting permits stacking miniature to standard sizes Crystal Filters nominal cost excellent delivery frequency range 50 kc to 5000 kc high stability YONKERS Z, NEW YORK TELETYPE: YONKERS, N. Y. 3633 PACIFIC DIVISION 720 MISSION STREET SOUTH PASADENA, CALIFORNIA Tom Thumb Telemetering Filters miniaturized for guided missiles high temperature stability designed to withstand shock and vibration hermetically sealed Delay Lines for audio and low radio frequency applications constancy of time delay flat frequency response low insertion loss i Tele -Tech & ELECTRONIC INDUSTRIES June 1956 ror product information, use inquiry card on pages 209 -210 25
Page 1 and 2: TELE-TECH & ELECTRONIC INDUSTRIES S
Page 3 and 4: -1081 One of the Publications Owned
Page 5 and 6: Facts and Figures Round -Up June, 1
Page 7 and 8: PROGRESS either of two other 50 -oh
Page 9 and 10: testing components with Burroughs p
Page 11 and 12: REPRESENTATIVES Mr. Bertram D. Aaro
Page 13 and 14: m perex all -glass GERMANIUM DIODES
Page 15 and 16: Electronics Around the World Contin
Page 17: 2=====l: As We Go To Press... saam
Page 20 and 21: As We Go To Press .. . (Continued)
Page 22 and 23: . FIXED Composition RESISTORS In al
Page 24 and 25: As We Go To Press .. . (Continued)
Page 28 and 29: Atl\Iri Get on the a,Pr , rrlr^ì .
Page 30 and 31: MIT Offers Summer Program on Modern
Page 32 and 33: CAMERA PICK -UP TUBES FROM WESTINGH
Page 34 and 35: 32 For product information, use inq
Page 36 and 37: 1 CHOOSE YOUR 20 SERVO These high p
Page 38 and 39: Type ML-6A. This unit is identical
Page 40 and 41: i ru nSitron SILICON RECTIFIERS MIL
Page 42 and 43: Get an on- the -job demonstration o
Page 44 and 45: BON OFFERS MO HYPES OF 1% Here's 1%
Page 46 and 47: .... f HEREIT1F! A NEW Plug -In Tri
Page 48 and 49: Etched cathode FP plate for 85°C s
Page 50 and 51: -4-- 11 ---)(-- 11" copv.,A 41za--
Page 52 and 53: EIM 170 AC X600 Klystron covers -24
Page 54 and 55: NEW Size 8 servo combination rivals
Page 56 and 57: IF YOU USE COILS like these toroids
Page 58 and 59: UNION U Miniature Relays with the t
Page 60 and 61: Sqr2Jiex Coaxial Cal lé IS GOING P
Page 62 and 63: Precision Frequency Source... ULTRA
Page 64 and 65: BOOKS I PmenU Pending YLON CO /L FO
Page 66 and 67: WESTINGHOUSE 2 -AMP GERMANIUM POWER
Page 68 and 69: çStiiijh1hlw PRODUCTS 1-3 / "Co lo
Page 70 and 71: kes Tarzian R E C T I F E R S Selen
Page 72 and 73: B.F.Goodrich For duplicating free s
Page 74 and 75: 7Teecej 40m744- &we114 7le4va7atL I
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Design made easy with reliable RESI
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NOW...G-E SERIES -STRING SMALL TV P
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Type J dual control with line switc
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EXTENDED LIFE ELECTROLYTIC CAPACITO
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I RADARSCOPE Revealing important de
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Protecting and Packaging Electronic
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Design Of By J. E. WOODWARD, Sectio
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TI MM PULSE DELAY VT ULM PULSE WIDT
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Ì Fig. l: System installation plan
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o. -.4111111..._ '1.2 i OE BELOW FR
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Air -conditioned 28 ft. truck house
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i fGqfq 0/ 100 NOE TUBES5 NO.OF OF
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\- SECONDARY ELECTRONS GUN ENLARGED
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fin Air Cooling A By DR. M. MARK Fi
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. -. ' _ 220° 210° 200 190° 170
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I Vo AC MILLI- VOLTMETER The maximu
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Fig. 1: Linear and circular instrum
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CONTROL VOLTAGE SI BAND SWITCH Inge
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MIRROR MOTOR , SCREEN TARGET SPOTS
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CUES for BROADCASTERS Practical way
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, Designed with the future 0 ° S C
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REOy NGLER Beamed at the Greatest R
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New Technical Products BATTERY CLIP
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New Technical Products S -BAND LOAD
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New Tubes & Semiconductors SILICON
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New Avionic Products TELEMETRY RECE
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New Broadcast Equipment AMPLIFI ERS
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1/2 actual size ji HUGHES TRANSISTO
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'ono/ ELECTRONIC SOURCES Investigat
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International ELECTRONIC SOURCES Pr
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permeability is defined. Temperatur
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International ELECTRONIC SOURCES Th
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International ELECTRONIC SOURCES re
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nal ELECTRONIC SOUR ES the emission
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HERE ARE THE FACTS ABOUT TV MICROWA
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WASHINGTON eetem Latest Radio and C
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the portable recorder you specified
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ELECTRONIC Test Instruments 9 TUBE
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cnor MAN "XC" Plastic Film Dielectr
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IS RIGHT "NEXT DOOR" IN TERMS OF SE
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WIDE -BAND POWER OSCILLATOR 200 to
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NEW FROM ASCOP LOW LEVEL PW MULTICO
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ffi NEW Printed Circuit Precision R
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Amplifier Design (Continued from pa
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HE PROVED IT FOR HIMSELF! The new P
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Albert Lazoni recently joined the D
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1 1 DATA SOURCES Bil meti tsatäìr
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Be sure of dependable electrical pr
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DON'T DERATE DELIVERY DATES FOR CLO
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Here it is -the 1&/udc« Dat& on SI
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_ PROJECT: QUALITY CONTROL TARGET:
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Um OALOHM... ntiltiatune gut nw. Yo
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1 A. Finned Magnetron (Continued fr
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ASDE Radar (Continued from page 87)
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TWICE THE SPEED WITH DOUBLE LEAD SC
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for GUIDED MISSILES Encapsulated mu
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Regulation in less than '/so th cyc
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Color TV G/L/LI /L RADIO ® VACUUM
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What are YOUR paper tube reO requir
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F A Optical Radar EIMAC Vacuum Swit
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STANDARD True Hermetic Sealing assu
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Direction Finders (Continued from p
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41611 DETERMINATION fleWiO//?pi of
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Direction Finders (Continued from p
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Here's the fastest way to produce f
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i Mobile Unit (Continued from page
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PROBLEM #3 Design a miniaturized 40
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FREED OFFERS FOR IMMEDIATE DELIVERY
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PRODUCT INFORMATION? Use the cards
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It would take over 500 listings in
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Product Section & Code No. Cable, o
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Product Section & Code No. Meters,
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1956 ELECTRONIC INDUSTRIES DIRECTOR
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2- AMPLIFIERS, RF -IF Amplifiers, a
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General Riveters Inc Electro Mechan
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Coleman Instruments 318 Madison St
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Superex Electronics Corp 4 Radford
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Mattson Electronics Corp 1487 Linco
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Instrument Labs 315 W Walton PI Chi
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11- CAPACITORS, Fixed Capacitors, a
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Chicago Tool & Eng'g Co 8383 S Chic
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Mount Sopris Instrument Corp 1320 P
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Daystrom Pacific Corp 3030 Nebraska
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Hudson Associates 50 Drumm St San F
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Tech Labs Inc Bergen & Edsall Blvd
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20- CONTROL EQUIPMENT, COMMUNICATIO
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Gyro Electronics Oo 325 Canal St Ne
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Fretco Inc 406 N Craig St Pittsburg
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Austin O Div of Decalmakers 225 Fla
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26- HEADPHONES Headphones, crystal
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Rust Industrial Co 41 E 42 St New Y
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Acme Wire Co 1250 Dixwell Ave New H
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Eberline Instrument Div Reynolds El
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Sonex Inc 245 Sansom St Upper Darby
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Synchroscopes 43 Thermocouples 44 T
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Librascope Inc 808 Western Ave Glen
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Sensitive Research Instrument Corp
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New London Instrument Co 82 Union S
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44- MICROPHONE ACCESSORIES Micropho
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Continental Electronics 302 Oakland
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Dalmo Victor Co Div Textron America
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Electronic Specialty Co 5121 San Fe
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Morrow Radio Mfg Co 2794 Market St
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Valpey Crystal Corp Holliston Mass
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Olympic Radio & TV Inc 34-01 38 Ave
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Raytheon Mfg Co Equip Marketing Div
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59- RECORDING ACCESSORIES Discs, bl
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Delco Radio Div General Motors 700
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Sage Electronics Corp 302 N Goodman
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65 -SOUND REPRODUCING EQUIPMENT, MA
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Jensen Mfg Co 6601 S Laramie Ave Ch
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Racks equipment 30 Racks, film stor
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Aerovox Corp & Divisions 740 Bellev
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Electronic Products Co 111 E 3 St M
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Midwest Electric Products Mankato M
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Hertner Electric Co 12690 Elmwood A
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Linde Air Products Co Div Union Car
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Guardian Electric Mfg Co 1621 W Wal
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Cranephone -Femco Inc. Crest Lab -M
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BRAND and TRADE NAME INDEX Polyken-
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CONSULTING ENGINEERS ELECTRONIC IND
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DISTRIBUTORS SERVING the ELECTRONIC
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REPRESENTATIVES ( "REPS ") ELECTRON
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REPRESENTATIVES ( "REPS'') DAN GREE
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REPRESENTATIVES ( "REPS") *Brauer &
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1 -7770 -5067 -4692 ALPHABETICAL LI
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-1677 -2291 -5127 -2626 ALPHABETICA
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-3130 Williams ALPHABETICAL LISTING
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-7765 1 -6174 ALPHABETICAL LISTING
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ALPHABETICAL LISTING of MANUFACTURE
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-1060 ALPHABETICAL LISTING of MANUF
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-2700 -8454 -C I-Leo ALPHABETICAL L
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000 Directory -Localizer Index Unit
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THE H. CROSS CO. ROLLING TECHNIQUE
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BIRNBACH can supply ... Single -Gun
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high 0 MICROWAVE SPECIFICATION IS I
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WE MAKE THE KIND OF TRANSFORMERS YO
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ä EXTENDED FREQUENCY RANGE with th
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plastic molding INJECTION 20 machin
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Nom! A LOW COST BRIGHT RHODIUM PLAT
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PRECISION ENGRAVING on Metal- Plast
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1199 IRE (LOT d IMAM pIEt ..e.. u..
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IMPEDANCE COMPARATOR FOR LABORATORY
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ADVERTISERS in JUNE Tele -Tech ACME
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ELECTRICAL WIRING DEVICES Designed
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RCA Field Enginee RCA Application E
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