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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR1
Cathode Ray Tube

CV1379

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR2X
Cathode Ray Tube

3220K CV959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR3
Cathode Ray Tube

CV1386

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR4
Cathode Ray Tube

CV1387

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR5
Cathode Ray Tube

CV1388

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR6
Cathode Ray Tube

CV1389

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR8
Cathode-Ray Tube

CV1381

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR10
Cathode-Ray Tube

B12B
23D CV1382

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR11
Cathode-Ray Tube

CV1383

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR12
Cathode-Ray Tube

CV1384

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR13
Cathode-Ray Tube

CV1385

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR15
Cathode-Ray Tube

CV1391+D7802

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ACR21
Cathode-Ray Tube

CV1397

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AD1
Thermal Delay Switch

DLS10

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR10
Double Diode

CV1308 HD24 L21/DD TDD2A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR11
Triode

4019B CV1309 CV1655 POVT75

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR12
Triode

4020A CV1310

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR13
Triode

4022AR B406 CV1311 CV1664 POVT88

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR14
Triode

220RC CV1312

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR15
Triode

220LF CV1313

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR16
Double Triode

220B CV1032 VR32

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR17
Triode

B5
CV1037 MH4 NR31 VR37

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR20
Triode

4021B CV1316 CV1663 POVT87

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR21
Double Diode Triode
1938
IO
CV1055 EBC33 NR48 OM4 VR55

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR4
Triode

CV1303 HL210 PM1HF

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR5
Triode

CV1166 NR42 VR22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR6
Triode

B4
CV1304 LP2 NR42 VR22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR62
Rectifier MV

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR7
Triode

4D1 CV1000 CV1109 HL1320 NR55 VR109

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR8
Double Diode
1938
MO
CV1306 HL23DD

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AR9
Triode

210LF CV1021 CV1307 L21 L2 PM1LF VR21

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARD2
Diode

CV1078 D1 VR78

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARD4
Diode

CV1302 D42

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARDD1
Double Diode
1936
B5
10D1 2D13C CV1300 ZD

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARDD3
Double Diode

6H6G CV1301 D63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARDD5
Double Diode

IO
CV1054 EB34 OM3 VR54

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARH1
Heptode

6L7 CV1280 NR67 X64

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP1
Pentode

B5
CV1118 NR39 POVT136 PT2 VR118

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP10
Pentode

APP4G CV1328 CV1329 PenA4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP11
Pentode

CV1329 TSP4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP12
Pentode
1938
MO
CV1331 VP23

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP12T
Pentode
1938

CV2841

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP13
Pentode

B7
210VPT CV1083 CV1332 NR41 VP21 VP210 VR83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP14
Pentode
1938

220IPT CV1333 Z22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP15
Tetrode

CV1195 KTW63 NR86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP16
Pentode

6J7 CV1074 KTZ63 NR83 VT74

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP17
Pentode

6F6G CV1186 KT63 NR85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP18
Pentode

B5
CV1334 KT24

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP19
Pentode

CV1335 CV1574 SP41 VR65A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP2
Pentode
1934

CV1330 TSP4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP20
Pentode

CV1336 NR79 SP42

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP21
Pentode
1939

CV1192 NR79 Z62

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP22
Pentode

116Pen CV1337

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP23
Pentode

CV1124 MS/Pen NR70 VR124

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP24
Pentode

220VPT CV1338

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP25
Pentode

4066A 7A3 CV1181 KT41 NR59 PenA4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP26
Beam Tetrode

B7
CV1340 CV1577 KT44 VT75B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP3
Pentode
1934
B7
12VPA 9D2 CV1106 CV1321 VR106

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP31
Pentode
1939

EF39

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP33
Pentode

CV1341 MSP4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP34
Pentode
1939
IO
CV1053 EF39 OM6 VR53

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP35
Pentode
1938
B9G
63SPT CV1091 CV1578 EF50 VR91 Z90

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP36
Pentode
1941
MO
CV1065 SP61 VR65

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP37
Double Pentode
1939
MO
CV1342 QP25

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP38
Pentode

IO
CV1343 POVT149

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP4
Pentode
1934

CV1322 SP210

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP5
Pentode

CV1323 VP2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP6
Pentode
1933

CV1324 SP4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP7
Pentode

42MPT CV1325

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP75
Pentode

CV1221 NT38A PT6 PZ1-75 SW75Pen

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP8
Pentode

AC4Pen CV1326

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP9
Pentode

7D8 CV1327 Pen1340

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARP9A
Pentode

7D8S CV1328

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARS6
Tetrode
1928
CV1317 S625

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARS7
Tetrode

CV1318 VS24

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARS8
Rectifier HW

CV1319

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARTH1
Triode Hexode
1938

6K8G CV1944

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARTH2
Triode Hexode
1938
IO
CV1347 ECH35

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARTP1
Triode Pentode
1934

CV1344 TP22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ARTP2
Triode Pentode
1938
MO
CV1345 TP25

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT15
Triode
1934

CV2845 LS5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT20
Triode

CV1361 MZ02-50

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT25
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT35
Triode

CV1025 DET25 VT25

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT37
Triode

ACT36

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT40+A186
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT40X
Triode

B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT50
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AT75
Triode

ACT6 CV1222 CV2825 NT39

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATP10
Pentode

1062A 4061A CV1369

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATP100
Pentode

4069A CV1372

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATP600
Pentode

CV1373 PY3-600

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATP35
Pentode

B7
CV1370 NT74 PV1-35

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATP4
Pentode
1940
MO
CV1366 V248A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATP5
Pentode

B7
CV1367 V245

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATP7
Pentode

B7
CV1368 V266

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATP75
Pentode

CV1371 NT38 PT6 PZ1/75

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATS25
Beam Tetrode

UX5
807 CV1374 VT60A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATS25A
Beam Tetrode

5B/250A 807 CV1364 VT60A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATS25N
Beam Tetrode

UX5
5B/250A 807 CV1364 VT60A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATS250
Tetrode

CV1031 VT31

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ATS70
Beam Tetrode

L4
4282B CV1365

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU1
Rectifier FW

B4
45IU CV1264 FW4-500 NU12 U18/20

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU12
Rectifier HW

CV2853 NU13A RZ1-250 U15

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU13
Rectifier FW

5Z4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU2
Rectifier HW

CV1349 RG5-500

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU3-E27
Rectifier HW

U3

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU3
Rectifier FW

7403 CV1064 NU3 VU64

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU3A
Rectifier FW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU4
Rectifier HW

CV1064 DW4-500 NU3 U12/14 VU64

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU5
Rectifier HW

B4
19G/12 CV1111 R11 U27 V1907 VU111

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU7
Rectifier MV

CV1355 ESU300

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU6
Rectifier HW

CV1072 GU50 NU16 RG1-240A VU72

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AU8
Rectifier HW

MO
CV1356 U22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AW2
Voltage Stabiliser

B4
7475 CV1070 VS70

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AW3
Voltage Stabiliser

B4
CV1110 S130 VS110

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AW4
Voltage Stabiliser
1936

A2235 CV110 CV1068 STV280/40 VS68

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AW5
Tuning Indicator

CV1359 ME41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

AW6
Tuning Indicator

CV1077 EM31 VI77

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