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Cossor

Valve List

P1 Advert.
•Modern Wireless
•July, 1923.
P1 & P2 Advert.
•Modern Wireless
•September, 1923.
P1 & P2 Advert.
•Modern Wireless
•October, 1923.
Brand Advert.
•Modern Wireless
•November, 1923.
P1, P2 and Wuncell Advert
•Modern Wireless
•December, 1923.
Brand Advert.
•Wireless Weekly
•December 12, 1923.
Brand Advert.
•Radio Valves and How to Use Them
•January, 1924.
Wuncell Range Advert
•Modern Wireless
•February, 1924.
P1 & P2 Advert.
•Popular Wireless
•March 1, 1924.
P1 & P2 Advert.
•Modern Wireless
•March, 1924.
P1 & P2 Advert.
•Wireless Weekly
•May 7, 1924.
P1 & P2 Advert.
•Modern Wireless
•April, 1924.
P1 & P2 Advert.
•Modern Wireless
•May, 1924.
P1 & P2 Advert.
•Wireless Weekly
•May 14, 1924.
P1 & P2 Advert.
•Wireless Weekly
•May 21, 1924.
P1 & P2 Advert.
•Wireless Weekly
•May 28, 1924.
P1 & P2 Advert.
•Popular Wireless
•June 7, 1924.
P1 & P2 Advert.
•Wireless Weekly
•September 3, 1924.
P1 & P2 Advert.
•Wireless World
•November 19, 1924.
P1 & P2 Advert.
•Wireless Weekly
•August 20, 1924.
Range Advert.
•Amateur Wireless
•November 22, 1924.
W1, W2, WR2, P1 & P2 Advert.
•The Wireless Constructor
•December, 1924.
RC Valves Advert.
•Wireless World
•March 23, 1927.
Stentor Two & Stentor Four Advert.
•Wireless World
•May 11, 1927.
Brand Advert.
•Wireless World
•May 25, 1927.
Kalenised Filament Advert.
•Wireless World
•June 1, 1927.
Kalenised Filament Advert.
•Wireless World
•August 3, 1927.
Kalenised Filament Advert.
•Wireless World
•September 7, 1927.
Team Work Advert.
•Wireless World
•January 4, 1928.
Melody Maker Advert.
•Wireless World
•February 8, 1928.
Team Work Advert.
•Wireless World
•February 22, 1928.
Brand Advert.
•The Wireless Constructor
•June, 1928.
Melody Maker Advert.
•The Wireless Constructor
•July, 1928.
Brand Advert.
•The Wireless Constructor
•August, 1928.
Melody Maker Advert.
•Popular Wireless
•August 4, 1928.
Melody Maker Advert.
•The Wireless Constructor
•September, 1928.
Melody Maker Advert.
•The Wireless Constructor
•October, 1928.
Melody Maker Advert.
•Wireless World
•December 19, 1928.
Brand Advert.
•The Wireless Constructor
•March, 1929.
Brand Advert.
•The Wireless Constructor
•May, 1929.
New Process Advert.
•Popular Wireless
•September 21, 1929.
New Process Advert.
•Popular Wireless
•October 19, 1929.
New High Vacuum Process Advert.
•Popular Wireless
•October 19, 1929.
Pentode Advert.
•Popular Wireless
•November 9, 1929.
215SG Advert.
•Reprinted in The Antique Wireless Catalogue 1977
•1930.
220SG Advert.
•Popular Wireless
•February 1, 1930.
New Process Advert.
•Popular Wireless
•March 8, 1930.
220SG Advert.
•Modern Wireless
•March, 1930.
210HL & 7 Point Suspension Advert.
•Popular Wireless
•February 14, 1931.
210HL & 7 Point Suspension Advert.
•Popular Wireless
•February 28, 1931.
210HL Advert.
•Popular Wireless
•March 14, 1931.
215P Advert.
•Wireless World
•April 29, 1931.
SG Valves Advert.
•Wireless World
•May 6, 1931.
MSG/HA Advert.
•Popular Wireless
•July 4, 1931.
SG Valves Advert.
•Popular Wireless
•July 18, 1931.
Metalised Valves Advert.
•Popular Wireless
•August 1, 1931.
215SG Advert.
•Popular Wireless
•August 15, 1931.
215SG & 220SG Advert.
•Popular Wireless
•November 14, 1931.
210HL Advert.
•Popular Wireless
•December 5, 1931.
Mica Bridge Advert.
•Wireless World
•December 9, 1931.
210DET Advert.
•Wireless World
•December 23, 1931.
Pentode Advert.
•The Wireless Constructor
•December, 1931.
Reverse of Playing Card
•Playing Card Deck
•circa 1931.
Vari-μ Valves Advert.
•Wireless World
•January 6, 1932.
SG Valves Advert.
•Wireless World
•January 20, 1932.
MSG/LA Advert.
•Wireless World
•January 27, 1932.
Screened Grid Valves Advert.
•Wireless World
•February 17, 1932.
Mica Bridge Mounting Advert.
•Wireless World
•February 24, 1932.
Mica Bridge Mounting Advert.
•Wireless World
•March 2, 1932.
220VSG & MVSG Advert.
•Wireless World
•March 9, 1932.
Mica Bridge Mounting Advert.
•Wireless World
•March 16, 1932.
Mica Bridge Mounting Advert.
•Wireless World
•March 23, 1932.
Price Reduction Advert.
•Wireless World
•March 30, 1932.
220VSG & MVSG Advert.
•Wireless World
•April 6, 1932.
Low Inter-Electrode Capacity Advert.
•Wireless World
•April 20, 1932.
Non-Microphonic Valves Advert.
•Wireless World
•April 27, 1932.
Mica Bridge Advert.
•Wireless World
•May 4, 1932.
PT41B Pentode Advert.
•Wireless World
•May 11, 1932.
Mica Bridge Advert.
•Wireless World
•May 18, 1932.
220VSG & MVSG Advert.
•Wireless World
•May 25, 1932.
Screened Grid Valves Advert.
•Wireless World
•June 1, 1932.
Mica Bridge Advert.
•Wireless World
•June 8, 1932.
Low Inter-electrode Capacity Advert.
•Wireless World
•June 22, 1932.
New CRT Editorial.
•Wireless World
•June 29, 1932.
Mica Bridge Advert.
•Wireless World
•August 5, 1932.
Brand Advert.
•Wireless World
•August 19, 1932.
Brand Advert.
•Wireless World
•October 7, 1932.
DC SG Valves Advert.
•Wireless World
•November 25, 1932.
Screened Grid Valves Advert.
•Wireless World
•December 23, 1932.
Uniformity of Characteristics Advert.
•Wireless World
•December 30, 1932.
Brand Advert.
•Valve Data Booklet, Wireless World
•1932.
220VSG, 215SG & 210HF Advert.
•Wireless World
•January 27, 1933.
Absolute Reliability Advert.
•Wireless World
•February 10, 1933.
240B Advert.
•Wireless World
•March 31, 1933.
2 Volt Valve Range Advert.
•Practical Wireless
•April 8, 1933.
240B Advert.
•Wireless World
•April 14, 1933.
AC Mains Valves Advert..
•Popular Wireless
•May 20, 1933.
SG Valves Advert..
•Popular Wireless
•June 3, 1933.
Mica Bridge Advert.
•Popular Wireless
•June 17, 1933.
240B & 220B Advert.
•Popular Wireless
•July 1, 1933.
Screened Grid Valves Advert.
•Popular Wireless
•July 15, 1933.
Screened Grid Valves Advert.
•Wireless World
•July 21, 1933.
Class B Amplification Advert.
•Popular Wireless
•August 12, 1933.
Seven New Valves Advert.
•Wireless World
•August 18, 1933.
Screened Grid Valves Advert.
•Wireless World
•September 15, 1933.
Celestion Speaker with Class B Amplifier.
•Wireless World
•December 8, 1933.
Brand Advert.
•Wireless World
•December 22, 1933.
MSPenA, MSPen, MVSPen, DSPen & DVSPen Advert.
•Valve Data Booklet, Wireless World
•1933.
Brand Advert.
•Wireless World
•January 12, 1934.
SG Valves Advert.
•Wireless World
•February 9, 1934.
Brand Advert.
•Wireless World
•April 20, 1934.
Brand Advert.
•Wireless World
•August 17, 1934.
Pentagrid Advert.
•Wireless World
•September 28, 1934.
Brand Advert.
•Wireless World
•November 30, 1934.
210VPT, 210SPT & 210PG Advert.
•Wireless World
•January 18, 1935.
210VPT Advert.
•Popular Wireless
•January 19, 1935.
Television CRT Advert.
•Wireless World
•March 8, 1935.
Output Tetrodes Advert.
•Wireless World
•November 25, 1937.
Radiolympia Advert.
•Wireless World
•August 25, 1938.
Valve Range Advert.
•Wireless World
•December, 1939.
Brand Advert.
•Radio Valve Data
•January, 1949.
Brand Advert.
•Festival of Britain Guide
•1951.
63SPT 6AL5 & OM4 Advert.
•Radio Valve Data 3rd Edition, Wireless World
•1952.
Valve Performance Analyser Advert.
•Wireless World
•November, 1959.
 
 

P1

P2

P Series

W1

W2

W3

210RC

410P

210Det

41MHL

41MH

230XP

202DDT

MVSPen

CV1731

27SU

1AC6

6AM5

6CB6

21A6
 
 
 
 
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