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| Frequency Changers | |
|---|---|
| Page 7 | Brimar, Cossor |
| Page 8 | Cossor, Ediswan-Mazda |
| Page 9 | Ediswan-Mazda, Emitron, Ferranti |
| Page 10 | GEC, Marconi |
| Page 11 | Marconi, Mullard |
| Page 12 | Mullard |
| Page 13 | Mullard, Tungsram |
| Page 14 | Tunsgram, American |
| Screened Tetrodes and Pentodes | |
| Page 15 | Brimar |
| Page 16 | Brimar, Cossor |
| Page 17 | Cossor, Ediswan-Mazda |
| Page 18 | Ediswan-Mazda, Emitron, Ferranti |
| Page 19 | Ferranti, GEC |
| Page 20 | GEC, Hivac, Marconi |
| Page 21 | Marconi, Mullard |
| Page 22 | Mullard |
| Page 23 | Mullard, STC, Tungsram |
| Page 24 | Tungsram, American |
| Page 25 | American |
| Output Valves 1 | |
| Page 26 | Brimar |
| Page 27 | Brimar, Cossor |
| Page 28 | Emitron, Ediswan-Mazda |
| Page 29 | Ediswan-Mazda, Ferranti, GEC |
| Page 30 | GEC, Hivac |
| Page 31 | Hivac, Marconi |
| Page 32 | Marconi, Mullard |
| Page 33 | Mullard |
| Page 34 | Mullard, Tungsram |
| Page 35 | Tungsram, American |
| Page 36 | American |
| Output Valves 2 | |
| Page 36 | Brimar |
| Page 37 | Brimar, Cossor |
| Page 38 | Cossor, Ediswan-Mazda, Emitron, Ferranti |
| Page 39 | Ferranti, GEC, Hivac, Marconi |
| Page 40 | Marconi, Mullard |
| Page 41 | Mullard, STC, Tungsram |
| Page 42 | American |
| Output Valves 3 | |
| Page 42 | Brimar, Cossor, Ediswan-Mazda |
| Page 43 | Ediswan-Mazda, Emitron, Ferranti, GEC, Marconi, Mullard, Tungsram |
| Thermionic Diodes | |
| Page 44 | Brimar, Cossor, Ediswan-Mazda, Emitron, Ferranti, GEC |
| Page 45 | GEC, Hivac, Marconi, Mullard, Tungsram, American |
| Semiconductor Diodes | |
| Page 46 | AEI, Brimar, Ediswan-Mazda, Ferranti, GEC |
| Page 47 | GEC, Mullard, STC, Texas |
| Page 48 | Westinghouse |
| Point Contact Transistors | |
| Page 49 | GEC, Mullard, STC |
| Symmetrical Transistors | |
| Page 49 | Ediswan-Mazda, STC |
| Junction Transistors | |
| Page 49 | AEI |
| Page 50 | Ediswan-Mazda |
| Page 51 | Ediswan-Mazda, Ferranti, GEC, Hivac, Mullard |
| Page 52 | Mullard |
| Page 53 | Mullard, Newmarket-Pye |
| Page 54 | Newmarket-Pye, RCA |
| Page 55 | RCA |
| Page 56 | RCA |
| Page 57 | RCA, Semiconductors, STC |
| Page 58 | STC, Texas |
| Page 59 | Texas |
| Amplifier Triodes | |
| Page 59 | Brimar |
| Page 60 | Brimar, Cossor |
| Page 61 | Cossor, Ediswan-Mazda |
| Page 62 | Ediswan-Mazda, Emitron, Ferranti, GEC |
| Page 63 | GEC, Hivac |
| Page 64 | Hivac, Marconi, Mullard |
| Page 65 | Mullard |
| Page 66 | Mullard, Tungsram |
| Page 67 | Tungsram, STC, American |
| Page 68 | American |
| Small Transmitting Valves (Up to 50W anode dissipation) | |
| Page 68 | Brimar, Cossor |
| Page 69 | Emitron, English-Electric, GEC, Ediswan-Mazda, Mullard |
| Page 70 | Mullard, STC, Tungsram |
| Valve Rectifiers | |
| Page 70 | Brimar |
| Page 71 | Brimar, Cossor, Ediswan-Mazda |
| Page 72 | Ediswan-Mazda, Emitron, Ferranti |
| Page 73 | Ferranti, GEC, Hivac, Marconi |
| Page 74 | Marconi, Mullard |
| Page 75 | STC, Tungsram |
| Page 76 | Tungsram, American |
| Metal Rectifiers | |
| Page 77 | Brimar, GEC |
| Page 78 | GEC |
| Page 79 | GEC, STC, Westinghouse |
| Page 80 | Westinghouse |
| Page 81 | Westinghouse |
| Semiconductor Rectifiers (Silicon or germanium diodes rated at over 300PIV or 100mA maximum rectified current; but not over 10A) | |
| Page 81 | AEI |
| Page 82 | AEI |
| Page 83 | AEI, Ediswan-Mazda, Ferranti |
| Page 84 | Ferranti, GEC, Mullard, STC |
| Page 85 | STC, Texas |
| Page 86 | Texas |
| E.H.T. Rectifiers (Rectifiers for inputs over 1,000V giving rectified currents of less than 50mA) | |
| Page 86 | Brimar, Cossor, Ediswan-Mazda, Emitron |
| Page 87 | Ferranti, GEC, Marconi, Mullard, STC |
| Page 88 | Tungsram, Westinghouse, American |
| Cathode-Ray Tuning Indicators | |
| Page 88 | Brimar, Cossor, Ediswan-Mazda |
| Page 89 | Ferranti, GEC, Marconi, Mullard, Tungsram |
| Page 90 | American |
| Barretters | |
| Page 90 | Brimar, Ediswan-Mazda, GEC, Hivac, Tungsram |
| Valve Voltage Stabilizers | |
| Page 90 | Brimar, Cossor |
| Page 91 | Emitron, English-Electric, Ferranti, GEC |
| Page 92 | Mullard, STC, Tungsram, American |
| Zener Diodes | |
| Page 93 | AEI, Ferranti, GEC |
| Page 94 | GEC, Mullard, STC, Texas |
| Page 95 | Texas |
| Thyratrons | |
| Page 95 | Brimar, Cossor, Ediswan-Mazda |
| Page 96 | English-Electric, Ferranti, GEC, Hivac, Mullard, STC |
| Page 97 | STC, American |
| Television Cathode-Ray Tubes | |
| Page 97 | Brimar, Cathodeon |
| Page 98 | Cathodeon, Cossor, Ediswan-Mazda |
| Page 99 | Ediswan-Mazda, Emiscope, Emitron, English-Electric, Ferranti |
| Page 100 | Ferranti, GEC |
| Page 101 | GEC, Mullard, 20th Century |
| Efficiency Diodes (For television line scan) | |
| Page 102 | Brimar, Cossor, Ediswan-Mazda, Emitron, Ferranti, GEC, Marconi, Mullard |
| Page 103 | Tungsram, Westinghouse |
| Special Purpose Cathode-Ray Tubes | |
| Page 103 | Directory of Manufacturers |
