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Ferranti

Valve List

Class B Components Advert.
•Popular Wireless
•April 15, 1933.
R4 Rectifier Advert.
•Popular Wireless
•May 6, 1933.
VHT4 Advert.
•Wireless World
•December 1, 1933.
Brand Advert.
•Valve Data Booklet, Wireless World
•1933.
Valves plus VHT4 Advert.
•Wireless World
•February 9, 1934.
VHT4 Advert.
•Wireless World
•August 17, 1934.
VHT4 Advert.
•Wireless World
•November 30, 1934.
LP4, H4D, VPT4 & VHT4 Valves.
•Wireless World
•March 8, 1935.
Brand Advert.
•Wireless World
•September 27, 1935.
TV Advert.
•Wireless World
•December, 1948.
TV CRT's Advert.
•Wireless World
•December, 1949.
CRT's Advert.
•Wireless World
•November, 1950.
TV CRT's Advert.
•Wireless World
•December, 1951.
TV CRT's Advert.
•Radio Valve Data 3rd Edition, Wireless World
•1952.
Industrial Valves Advert.
•Wireless World
•August, 1952.
Handbook Advert.
•Wireless World
•June, 1953.
Brand Advert.
•Wireless World
•November, 1955.
Band III Television Valves Advert.
•Wireless World
•February, 1956.
17 Inch TV CRT Advert.
•Wireless World
•March, 1956.
Ceramic Triode UL10 Advert.
•Wireless World
•May, 1956.
ECC85, ECH81, EF85, EABC80, EL84, EZ80 & EM80 Advert.
•Wireless World
•September, 1956.
Handbooks Advert.
•Wireless World
•December, 1956.
Ceramic Valves Advert.
•Wireless World
•February, 1957.
X-Band Noise Diode Advert.
•Wireless World
•April, 1958.
New Industrial CRT's Advert
•Wireless World
•June, 1958.
UR41 & UR40 Rectifier Advert.
•Wireless World
•August, 1963.
 

12A6

6Q7G

12SQ7

12SQ7GT

12J5GT

NSP2
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