Magnavox - MAGNAVOX CO., INC., Fort Wayne, Indiana

Majesco - R-K. RADIO LABS.

Majestic (original), Columbia C100 - GRIGSBY GRUNOW CORP., Chicago, Ill.

Majestic (current models), Case (present) reorganized MAJESTIC RADIO & TELEV. CORP., 2650 W. 50 St., Chicago, Ill.

Mantola - manufactured for GOODRICH by U. S. RADIO & TELEV. CORP., Marion, Indiana

Marconiphone - MARCONI BROS., INC. (also called MARCONIPHONE CO.), 679 Madison Ave., New York, N. Y.

Marshall (Plant A on license tag) - CLINTON MFG. CO.

Marshall (RPC on license tag) - CONTINENTAL RADIO & TELEV. CORP.

Marvelo - RADOLEK CO.

Mascot - INSULINE CORP. OF AMERICA

Masterpiece - SILVER, McMURDO INC.

Mayfair - CLAGO RADIO CORP.

Meissner - MEISSNER MFG. CO., Mt. Carmel, Ill.

Melrose 41 - U. S. RADIO & TELEV. CORP.

Merrimac - CROSLEY RADIO CORP.

Merrymaker - CROSLEY RADIO CORP.

MERSMAN BROS. CORP., - Brunswick, Celina, Ohio

Midwest, Miraco - MIDWEST RADIO CORP., Cincinnati, Ohio

Meteor - THE RADIO SHOP, Sunnyvale, Calif.

Minstrel - CROSLEY RADIO CORP.

Miraco - MIDWEST RADIO CORP

Mission Bell, Aeronautic, Hobbs, True-Dial - MISSION BELL RADIO MFG. CO., 833 Venice Blvd., Los Angeles, Calif.

MITCHELL MFG. CO., - Lullaby, Lumitone, 1550 Dayton St., Chicago, Ill.

Mobilette - CALVERT MOTORS ASSOCIATES LTD.

Mohawk - ALL AMERICAN MOHAWK CORP.

Monarch - CHAMPION RADIO LABS.

Monotrad - CROSLEY RADIO CORP.

Montgomery-Ward, Airline, Coronado, De Soto (home receiver), Serenader - MONTGOMERY-WARD & CO. private brands, Chicago, Ill.... Dictator (mfd by U. S. Radio & Television)

MOTO-METER GAUGE & EQP'T. CO., - Moto-Vox

Motomaster - MOTOMASTER RADIO CO.

Moto-Master - WARWICK MFG. CO.

Moto-Midget - AMCE ELECTRIC MFG. CO

Motorola - GALVIN MFG. CO.

Motoset - FADA RADIO & ELECTRIC CO.

Moto-Vox - MOTOMETER GAUGE & EQP'T. CO.

Musaphonic - GENERAL ELECTRIC CO.

Musicaire - SENTINEL RADIO CORP.

Music Master - WARE MFG. CO.

Musique - LAUREHK RADIO MFG. CO.