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painting radio towers; installing ground system for AM Broadcasting and all types of antennae and accessories for FM Stations; Maintenance of radio towers, obstruction lighting equipment and FM antennae.
Harvey Radio Laboratories, Inc.
447 Concord Avenue, Cambridge 38, Mass. Phone: Trowbridge 2800
I Resident ยป Frank Lyman, Jr.
Asst. to Pres David T. Ferrier
Clerk of Corp Ronald W. Martin
Chief Engineer Bernard J. Cosman
Purchasing Agent Frank Waterhouse
Comptroller Gordon C. Genthner
Prod. Mgr George Tompkins
Personnel Dept Mary Rizzitano
PRODUCTS: Signal Generators, Power Supplies, Galvascopes, Two-way Radio Communication equipment, FM Studio Broadcast Receivers, FM Station Transmitters, Transmitters for Experimental and Commercial Use.
Hazeltine Electronics Corp.
1775 Broadway, New York 19, N. Y. Phone: COlumbus 5-0791
President W. A. MacDonald
Exec. Vice Pres W, H. Grimditch
Vice Pres Laurence B. Dodds
Vice Pres Jack Binns
Vice Pres Fielding Robinson
Vice Pres Comm. Jennings B. Dow
Treasurer John D. Grayson
Secretary Paul Armitage
Dir. of Eng Arthur V. Loughren
BRANCH OFFICE: 58-25 Little Neck Parkway, Little Neck, N. Y., Phone, Flushing 70300, W. A. MacDonald.
PRODUCTS: Radar, Communication and Navigation electronic equipment.
Haydu Brothers
P. 0. Box 1226, Plainfield, New Jersey Phone: Plainfield 6-0878
President George K. Haydu
Chief Engineer Zoltan Haydu
Sales Mgr Al Fleichmann
PRODUCTS: Precision stampings and wire forms for radio, radar and television lubes; burner equipment for glass forming machinery.
Hoffman Radio Corp.
3761 S. Hill St., Los Angeles 7, Calif. Phone: Prospect 3446
President H. L. Hoffman
Vice President W. D. Douglas
Secretary-Treasurer R. A. Yarcho
Sales Manager R. J. McNeely
Comptroller C. E. Underwood
Works Manager E. F. Gertsch
Purchasing Agent S. L. Spraggins
Surplus Manager. B. L. Fuller
BRANCH OFFICE: Merchandise Mart, 1355 Market St., San Francisco, Calif., Walter J. Epstein.
PRODUCTS: Radios, Radio-Phonographs, Home recording (Musicord), Wire recording (Wirecord).
Howard Radio Co.
1731-35 Belmont Ave., Chicago 13, III. Phone: Diversey 2000
President Joseph F. Riley
Sales & Export Mgr J. M. Muniz
Sales Mgr Howard C. Brigge
( Ihief Engineer W. James
PRODUCTS: AM-FM radios and phonograph combinations, television receivers and other electronic products.
Hytron Radio & Electronics Corp.
76 Lafayette St., Salem. Mass. Phone: Salem 2260
President Bruce A. Coffin
Vice-Pres Edgar M. Batchelder
Chairman of Board-Trees. , . .Lloyd H. Coffin
Sales Manager John Q. Adams
Chief Engineer C. F. Stromeyer
Credit Manager M. S. Jones
Purchasing Agent Edward R. Carroll
Industrial Relations Mgr A. S. Nelson
Export Mgr W. L. Urquhart
Advertising Manager Harry G. Burnett
BRANCH OFFICES: 432 Fourth Ave., New York 16, N. Y., Phone, MUrray Hill 4-4178, Everett B. Boise, Commercial Engr. ; 4000 West North Ave., Chicago 39, 111., Phone, Capitol 6500, Donald G. Haines, Commercial Engr.; 11 West 42nd St., New York, N. Y., Phone, PEnnsylvania 6-2980, W. L. Urquhart.
PRODUCTS: Receiving and electronic tubes; special purpose tubes, ultra violet sun lamps, ballast, voltage regulators.
The Indiana Steel Products Co.
6 N. Michigan Ave., Chicago 2, 111. Phone: FRAnklin 1114
President A. D. Plamondon, Jr.
Vice-Pres G. P. Smith
Sales Mgr R. F. Smith
Gen. Mgr. Mfg D. D. Cleghorn
BRANCH OFFICES: Key cities.
PRODUCTS: Permanent Magnets: Alnico, Cunico, Cunife, Indalloy, Vectolite, Silmanal, Cobalt, Chrome and Tungsten; Magnetic Recording Tape: Hyflux.
Insuline Corp. of America
36-02 35th Ave., Long Island City 1, N. Y. Phone AStoria 8-3738
President S. I. Spector
Sales Manager Bernard L. Cahn
Secretary A. S. Spector
Adv. Manager A. S. Chambers
Supt F. Henneke
Purchasing Agent. . H. Weston
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