TO DESIGNATE THE MANUFACTURERS
CODE CODE
LETTER MAN U FACTU RER ADDRESS LETTER MANUFACTURER ADDRESS
A Aerovox Corp. New Bedford, Mass. AK Hammerlund Mfg. Co., Inc. New York 1, N. Y.
B Allen-Bradley Co. Milwaukee 4, Wis. AL Industrial Condenser Corp. Chicago 18, 111.
C Amperite Co. New York, N. Y. AM lnsuline Corp. of America Manchester, N. H.
D Arrow, Hart & Hegemon Hartford, Conn. AN Jennings Radio Mfg. Corp. Son Jose, Calif.
E Bussman Manufacturing Co. St. Louis, Mo. A0 E. F. Johnson Co. Waseca, Minn.
F Carborundum Co. Niagara Falls, N. Y. AP Lenz Electric Mfg. Co. Chicago 47, 111.
G Centrala b Milwaukee I, Wis. AQ Micro-Switch Freeport, 111.
H Cinch-Jones Mfg. Co. Chicago 24, 111. AR Mechanical Industries Prod. Co. Akron 8, Ohio
HP Hewlett-Packard Co. Palo Alto, Calif. AS Model Enq. & Mfg., Inc. Huntington, Ind.
I Clarostat Mfg. Co. Dover, N. H. AT The Muter Co. Chicago 5, 111.
J Cornell Dubilier Elec. Co. South Plainfield, N. J. AU Ohmite Mfg. Co. Skokie, 111.
K Hi-Q Division of Aerovox Olean, N. Y. AV Resistance Products Co. Harrisburg, Pa.
L Erie Resistor Corp. Erie 6, Pa. AW Radio Condenser Co. Camden 3, N. J.
M Fed. Telephone & Radio Corp. Clifton, N. J. AX Shallcross Manufacturing Co. Collingdale, Pa.
N General Electric Co. Schenectady 5, N. Y. AY Solar Manufacturing Co. Los Angeles 58, Calif.
0 General Electric Supply Corp. Son Francisco, Calif. AZ Sealectro Corp. New Rochelle, N. Y.
P Girard-Hop kins Oakland, Calif. BA Spencer Thermostat Attleboro, Mass.
Q Industrial Products Co. Danbury, Conn. BC Stevens Manufacturing Co. Mansfield, Ohio
R International Resistance Co. Philadelphia 8, Pa. BD Torrington Manufacturing Co. Van Nuys, Calif.
S Lectrohm Inc. Chicago 20, 111. BE Vector Electronic Co. Los Angeles b5, Calif.
T Littlefuse Inc. Des Plaines, 111. BF Weston Electrical Inst. Corp. Newark 5, N. J.
U Maquire Industries Inc. Greenwich, Conn. BG Advance Electric & Relay Co. Burbank, Calif.
V Micamold Radio Corp. Brooklyn 37, N. Y. BH E. 1. DuPont Son Francisco, Calif.
W Oak Manufacturing Co. Chicago 10, 111. BI Electronics Tube Corp. Philadelphia 18, Pa.
X P. R. Mallory Co., Inc. Indianapolis, Ind. BJ Aircraft Radio Corp. Boonton, N. J.
Y Radio Corp. of America Harrison, N. J. BK Allied Control Co., Inc. New York 21, N. Y.
Z Sangamo Electric Co. Marion, 111. BL Augat Brothers, Inc. Attleboro, Mass.
AA Sarkes Tanian Bloomington, Ind. BM Carter Radio Division Chicago, 111.
BB Signal Indicator Co. Brooklyn 37, N. Y. BN CBS Hytron Radio & Electric Danvers, Mass.
cc Sprague Electric Co. North Adams, Mass. BO Chicago Telephone Supply Elkhart, Ind.
DD Stackpole Carbon Co. St. Marys, Pa. BP Henry L. Crowley Co., Inc. West Orange, N. J.
EE Sylvania Electric Products Co. Warren, Pa. BQ Curtiss-Wright Corp. Carlstadt, N. J.
FF Western Electric Co. New York 5, N. Y. BR Allen B. DuMont Labs Clifton, N. J.
GG Wilkor Products, Inc. Cleveland, Ohio BS Excel Transformer Co. Oakland, Calif.
HH Amphenol Chicago 50, 111. BT General Radio Co. Cambridge 39, Mass.
II Dial Light Co. of America Brooklyn 37, N. Y. BU Hughes Aircraft Co. Culver City, Calif.
JJ Leecraft Manufacturing Co. New York, N. Y. BV International Rectifier Corp. El Segundo, Calif.
KK Switchcraft, Inc. Chicago 22, 111. BW James Knights Co. Sandwich, 111.
LL Gremar Manufacturing Co. Wakefield, Mass. BX Mueller Electric Co. Cleveland, Ohio
MM Carad Corp. Redwood City, Calif. BY Precision Thermometer & Inst. Co. Philadelphia 30, Pa.
NN Electra Manufacturing Co. Kansas City, Mo. BZ Radio Essentials Inc. Mt. Vernon, N. Y.
00 Acro Manufacturing co. Columbus 16, Ohio CA Raytheon Manufacturing Co. Newton, Mass.
PP Alliance Manufacturing CO. Alliance, Ohio CB Tung-Sol Lamp Works, Inc. Newark 4, N. J.
QQ Arc0 Electronics, Inc. New York 13, N. Y. CD Varian Associates Palo Alto, Calif.
RR Astron Corp. East Newark, N. J. CE Victory Engineering Corp. Union, N. J.
ss Axel Brothers Inc. Long Island City, N. Y. CF Weckesser Co. Chicago 30, 111.
TT Belden Manufacturing Co. Chicago 44, 111. CG Wilco Corporation Indianapolis, Ind.
uu Bird Electronics Corp. Cleveland 14, Ohio CH Winchester Electronics, Inc. Santa Monica, Calif.
vv Barber Colman Co. Rockford, 111. CI Mako Tool & Die Los Angeles 42, Calif.
ww Bud Radio Inc. Cleveland 3, Ohio CJ Oxford Electric Corp. Chicago 15, 111.
xx Allen D. Cardwell Mfg. Co. Plahville, Conn. CK Camloc-Fastener Corp. Paramus, N. J.
YY Cinema Engineering Co. Burbank, Calif. CL George K. Garrett Philadelphla 34, Pa.
zz Any brand tube meeting CM Union Switch & Signal Swissvale, Pa.
RETMA standards. CN Radio Receptor New York 1 I, N. Y.
AB Corning Glass Works Corning, N. Y. co Automatic & Precision Mfg. co. Yonkers, N. Y.
AC Dale Products, Inc. Columbus, Neb. CP Bassick Co. Bridgeport 2, Conn.
AD The Drake Mfg. Co. Chicago 22, 111. CQ Birnbach Radio Co. New York 13, N. Y.
AE Elco Corp. Philadelphia 24, Pa. CR Fischer Specialties Cincinnati 6, Ohio
AF Hugh H. Eby Co. Philadelphia 44, Pa. cs Telefunken (c/o MVM, Inc.) New York, N. Y.
AG Thomas A. Edison, Inc. West Orange, N. J. CT Potter-Brumfield Co. Princeton, Ind.
AH Fansteel Metallurgical Corp. North Chicago, 111. cu Cannon Electric Co. Los Anqeles, Calif.
AI General Ceramics & Steatite Corp. Keasbey, N. J. cv Dynac, Inc. Palo Alto, Calif.
AJ The Gudeman Co. Sunnyvale, Calif. cw Good-All Electric Mfg. Co. Ogallala, Nebr. |
ACEC
HEWLETT-PACKARD
