| E2 |
Rectifier |
| E10 |
Modified R valve |
| E25 |
Tungsten anode tx valve |
| E28 |
|
| E35 |
Tubular dull emitter valve |
| E44 |
Modified MT5 tx valve |
| E50 |
Special V24 with 6 turns per cm. grid |
| E62 |
|
| E68 |
|
| E77 |
DE3 in miniature bulb |
| E102 |
DE5 type |
| E116 |
Very low impedance LS5A |
| E118 |
DET1 with heavy grid and
anode leads |
| E129 |
Modified FE1 valve with very fine grid wires |
| E130 |
Audion type valve made for Marconi Co. |
| E132 |
Triode (CV1643) |
| E133 |
Triode (CV1645) |
| E158 |
|
| E164 |
5-electrode valve with
625 barium filament |
| E181 |
|
| E196A |
Early magnetron |
| E201 |
|
| E233 |
Modified D8 |
| E235 |
Mercury rectifier |
| E242 |
Trial H210 with stranded filament supports to combat microphony |
| E246 |
|
| E272 |
CAT6 with a large anode |
| E294 |
|
| E304 |
|
| E334 |
PX4 with oxide coated filament |
| E356 |
Copper anode triode |
| E366 |
Oxide coated DA100 |
| E377 |
|
| E395 |
MS4 with mercury vapour filling |
| E410 |
|
| E414 |
DEV with 1V filament |
| E434 |
VMS4B |
| E458 |
H2 double diode |
| E469 |
|
| E504 |
Helium filled EHT rectifier |
| E514 |
|
| E521 |
ACT22 |
| E558 |
|
| E574 |
High slope PX25 |
| E589 |
|
| E603 |
|
| E632 |
Oxide PX4 |
| E675 |
ACT9 for ultra short waves |
| E686 |
Acorn pentode |
| E704 |
Modified W31 |
| E742 |
Valve similar to 304A tx valve |
| E744 |
Y63 |
| E748 |
D42 |
| E759 |
N66 |
| E770 |
ACT10 (air cooled CAT15) |
| E800 |
|
| E842 |
|
| E852 |
W63 |
| E862 |
KT66 on a 5 pin base |
| E872 |
NT65 (Navy version of
PT5) |
| E880 |
NT75 4-segment glass magnetron |
| E897 |
Tetrode (1) |
| E903 |
|
| E905 |
MHD4 special made for Cambridge Instruments |
| E936 |
Z62 (1) |
| E942 |
ACT14 (air cooled CAT6) |
| E947 | |
| E960 |
VT58 |
| E960T |
VT98 |
| E972 |
DET19 |
| E993 |
|
| E997 |
E936 with a ceramic bases (1) |
| E1001 |
Experimental acorn triode |
| E1007 |
Triode (258T) |
| E1011 |
Experimental micropup, developed into E1046? (2) |
| E1013 |
WE 212E |
| E1024 |
VT114 copper-glass tx
tetrode (CV1114) |
| E1033 |
|
| E1039 |
Attempt at glass version
of NT60 |
| E1046 |
VT90 (CV62) (or CV219?) |
| E1046A |
? (also copied by RCA as A2137) (2) |
| E1046B |
? (also copied by RCA as A2137A)(2) |
| E1046D |
See E1166 (2) |
| E1061 |
Mentioned in A Scientists
War as not traced |
| E1097 |
(CV1111) |
| E1107 |
Beam deflection VHF valve (1) |
| E1130 |
Millimicropup, 1kW pulse at 1GHz (2) |
| E1132 |
(CV1111) |
| E1143 |
(CV1577) |
| E1148 |
CV6 |
| E1149 |
Glass-metal triode (Scientists
War - not traced) |
| E1155 |
NT100 (CV44) |
| E1161 |
Triode (CV1253) |
| E1164 |
(CV1091) |
| E1166 |
E1046D, second enlargement
of micropup |
| E1180 |
(CV1077) |
| E1188 |
Experimental cavity magnetron |
| E1189 |
NT98 |
| E1190 |
Millimicropup (CV55 and
CV155) |
| E1191 |
CV12 |
| E1192 |
Beam tetrode (VT501) |
| E1198 |
CV38 |
| E1199 |
Peak voltmeter diode (CV1405) |
| E1209 |
(CV7) small gas triode |
| E1210 |
Glass magnetron for RX
use, 9.1cm |
| E1228 |
Rugged miniature wire-ended
thyratron (CV3?) |
| E1229 |
(CV4) |
| E1231 |
(CV52) concentric triode
oscillator |
| E1232 |
NT99 |
| E1233 |
Magnetron, 10cm, 50 to
100kW |
| E1234 |
Oxide coated cathode VT90 (E1046) (2) |
| E1235 |
Triode (CV1580 or CV29?) |
| E1236 |
(CV69) |
| E1239 |
Micropup, largest, oxide
coated cathode |
| E1242 |
(CV1510) |
| E1248 |
CV8 |
| E1254 |
Oscillator triode for
VT fuze |
| E1255 |
(CV40) magnetron, 10cm,
100 - 200kW |
| E1256 |
(CV42) magnetron, 9.1cm,
100 - 200kW |
| E1265 |
(CV114) |
| E1266 |
CV15 - block mounted VT90
with smaller filament |
| E1267 |
CV41 magnetron, 10.7cm,
100 - 200kW |
| E1271 |
Tetrode (CV57) |
| E1273 |
CV58 or CV258 axial mixer diode |
| E1274 |
All concentric TX triode
for <50cm |
| E1287 |
S-band magnetron (CV23?) |
| E1289 |
Thyratron (CV1248) |
| E1290 |
Triode amp., anti-microphonic |
| E1297 |
(CV5) |
| E1305 |
Grounded grid triode,
similar to RL7 |
| E1308 |
|
| E1320 |
(CV51) |
| E1323 |
Triode (CV344) |
| E1324 |
Magnetron, Scientists
War - not traced |
| E1325 |
Magnetron (CV56) strapped
E1189 |
| E1326 |
Magnetron (CV69) strapped
E1198 |
| E1330 |
(CV268, or CV123?)) |
| E1331 |
(CV1510) |
| E1332 |
Triode (CV92) |
| E1335 |
High gain rugged midget
pentode (CV61) |
| E1336 |
Triode, rugged miniature
(CV229, or CV122, or CV266,or CV267?) |
| E1337 |
(CV78) |
| E1342 |
Magnetron E1326 with reduced
anode length (CV64, or CV160, or CV186?) |
| E1344 |
Triode, common grid-earther
grid oscillator/receiver |
| E1355 |
(CV1343) |
| E1356 |
TR switch |
| E1359 |
Magnetron (CV76) cf. E1325,
25kV, 40A, 2µs, heavy duty cathode |
| E1360 |
(CV268) |
| E1362 |
(CV126) |
| E1364 |
Rugged miniature gas triode |
| E1365 |
Waveguide TR cell, 3cm
(CV114) |
| E1366 |
Midget valve for torpedo
school |
| E1368 |
Triode (CV90, or CV350?) |
| E1371 |
Diode (CV105) |
| E1373 |
Magnetron (CV99) similar
to 1325/1359, 8.5cm |
| E1374 |
Concentric valve for up
to 2GHz |
| E1378? |
May be invalid
|
| E1379 |
Magnetron (CV79) formerly
E1210DE, 6.6cm |
| E1380 |
Magnetron (CV89) formerly
E1210DE, 6.3cm |
| E1389? |
Magnetron (CV89) (MUST
BE WRONG) |
| E1411 |
CV153 |
| E1415 |
ATR cell (CV115) slotted
disc cell for 10GHz |
| E1416 |
(CV281) |
| E1417 |
TR switch (CV117) |
| E1419 |
Triode (CV154) |
| E1421 |
TR cell |
| E1423 |
Tetrode (CV406) |
| E1429 |
Magnetron (CV79) |
| E1436 |
(CV188) |
| E1440 |
Smaller version of CV90
with 2W cathode |
| E1453 |
(CV319, or CV1646?) |
| E1457 |
Large disc seal triode,
5 to 10kW pulsed at 3GHz (CV257) |
| E1458 |
Triode (CV178) |
| E1459 |
Tetrode (CV174) |
| E1463 |
Hydrogen triode, 160kW,
2500pps (CV319?) |
| E1465 |
CV115 |
| E1468 |
Noise diode (CV172) |
| E1474 |
(CV78) |
| E1480 |
Triode (1419) without
internal feedback |
| E1481 |
Magnetron CV192 (CV64
for higher input) |
| E1485 |
(CV807) |
| E1487 |
Magnetron CV208 , 12 segment,
strapped, 10GHz |
| E1488 |
(CV182) |
| E1489 |
Double pentode (CV222) |
| E1494 |
Magnetron CV191, 1487
for higher frequency |
| E1495 |
'higher power' CW valve
(CV259) "10x CV55" for 600MHz |
| E1496 |
1239 improved and modified
for lower frequencies. CV240. "4x NT99" |
| E1497 |
Hydrogen diode CV215 for
absorbing overswing energy in a network |
| E1511 |
Magnetron (CV355) High
power X-band, lower frequency than 1487 |
| E1516 |
TR switch CV221. CV114
with shorter discharge gap, wider band, gold seals, copper body |
| E1524 |
Fullwave gas rectifier
(CV338) |
| E1527 |
(CV290) |
| E1531 |
Magnetron CV214, E1494
with coaxial to waveguide feed, limited frequency range |
| E1532 |
Triode (CV1644) |
| E1541 |
Triode (CV1716) |
| E1547 |
ACT23 |
| E1563 |
(CV1863) |
| E1591 |
(CV181) |
| E1599 |
(CV273) |
| E1606 |
(CV278) |
| E1633 |
(CV456) |
| E1647 |
(CV288) |
| E1648 |
(CV135) |
| E1659 |
(CV453) |
| E1706 |
(CV437) |
| E1707 | |
| E1709 | double triode (from actual example) |
| E1714 |
(CV408) |
| E1769 |
DET24 (CV397) |
| E1795 |
|
| E1796 | KT101 (from actual example) |
| E1824 |
Tetrode? |
| E1832 |
|
| E1838 | DH81 (pen markings on actual example) |
| E1841 |
Hexode? |
| E1860 |
(CV240) |
| E1935 |
(CV415) |
| E1938 |
(CV493) |
| E1954 |
(CV25) |
| E1955 |
Thyratron (2D21) (CV797) |
| E1956 |
(CV261) |
| E1959 |
(CV495) |
| E1996 |
ACT25 (CV436) |
| E2004 |
(CV2115) |
| E2016 |
(CV1758) |
| E2018 |
(CV454) |
| E2019 | |
| E2095 |
(CV471) |
| E2112 |
|
| E2121 |
Noide diode (CV2341) |
^M
| E2128 | ^M
| ^M
| E2133 |
(CV2276) |
| E2134 |
Pentode (CV2179) |
| E2149 |
|
| E2163 |
(CV491) |
| E2164 |
(CV492) |
| E2178 |
|
| E2188 | |
| E2196 |
(CV3920) |
| E2218 | |
| E2221 |
(CV2277) |
| E2226 |
Output pentode |
| E2244 |
(CV3921) |
| E2266 |
Pentode (CV2231) |
| E2277 |
Pentode (13E1) |
| E2311 | |
| E2346 |
|
| E2548 |
|
| E2597 | |
| E2631 | Looks to be a halfwave rectifier (from actual example) |
| E2635 | |
| E2729 |
Triode (CV6097) |
| E2760 |
(CV5747) |
| E2788F |
(CV5405) |
| E2792 |
(CV6097) |
| E2801 |
(CV5363) |
| E2811 |
TR switch (CV5210) |
| E2815 |
Pulsed attenuator (CV5315) |
| E2908 |
Triode (CV5326) |
| E2920 | OPX1 |
| E2960 |
Geiger tube (CV6133) |
| E2975 |
Triode (CV4120) |
| E2978 |
(CV6129) |
| E2987 |
TR switch (CV5398) |
| E3000 |
(CV9774) |
| E3001 |
(CV9775) |
| E3084 |
(CV6028) |
