Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Specification sheet for enamelled and paper covered copper wire, detailing diameters and covering thickness.

Identifier  ExFiles\Box 168a\3\  img218
Date  1st August 1935
  
CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY, POST OFFICE AND COLONIAL GOVERNMENTS

THE
CONCORDIA ELECTRIC WIRE CO. LTD.
Electrical Wire and Cable Manufacturers

LONDON OFFICE & STORES
97 MILTON STREET, E.C.2
TELEPHONE
METROPOLITAN 9750
TELEGRAMS
"POLIANITE, LONDON"

NEW SAWLEY
Nr. NOTTINGHAM
AUGUST, 1935.

TELEPHONE
LONG EATON 249 (P. B. X.)
TELEGRAMS
"POLIANITE LONG EATON"
CODES
A.{Mr Adams} B. C. 5TH EDN. & WESTERN UNION

MANUFACTURES

Covered Wires.
SILK
COTTON
ENAMEL
LACQUER
PAPER
ETC.

Cables
V.I.R & LEAD
T.R.S.
P.B.J.
DYNAMO
SHOTFIRING
TELEPHONE
Etc.

BELL WIRES

"CONSTANTAN"
and "CONCORDIN"
RESISTANCE WIRES

RADIO AND BATTERY CORDS

"HERCULACKER"
AUTOMOBILE CABLES

FUSE WIRES

INSULATING
MATERIALS

ENAMELLED AND PAPER COVERED COPPER WIRE.

DIAMETER OF BARE WIRE.
TOTAL THICKNESS OF COVERING
(ENAM: AND PAPER) IN MILS...

.080" 14swg. 4-5
.072" 15swg. 4-5
.064" 16swg. 4-5
.056" 17swg. 4-5
.048" 18swg. 4-5
.040" 19swg. 4
.036" 20swg. 4
.032" 21swg. 4
.028" 22swg. 4
.024" 23swg. 3½
.022" 24swg. 3½
.020" 25swg. 3½
.018" 26swg. 3½
.0164" 27swg. 3
.0148" 28swg. 3
.0136" 29swg. 3
.0124" 30swg. 2¾
.0116" 31swg. 2¾
.0108" 32swg. 2¾
.010" 33swg. 2½
.0092" 34swg. 2½
.0084" 35swg. 2½
.0076" 36swg. 2½

"CONCORD" CABLES AND FLEXIBLES.
  
  


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