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Volume 1
Volume 2
Volume 3
Volume 4
Volume 5
Volume 6
Volume 7
Volume 8
Volume 9
Volume 10
Volume 11
Volume 12
Volume 13
Volume 14
Volume 15
Volume 16
Volume 17
Volume 18
Volume 19
Volume 20
Volume 21
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Norm Wilson
Groups.io
Vacuum Tube Valley Mag. Archive
Datasheets: Federal
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Trans. Tube Datasheets
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Datasheets: Federal
Federal Telegraph, Interchangeability List for Transmitting and Rectifying Tubes, 1941
Power Tube Applications
F-101-B
F-101-B (New)
F-102-A
F-103-A
F-108-A
F-110-A
F-110-X
F-116-A
F-118-B
F-121-A
F-123-A
F-124-A
F-124-A (New)
F-124-R
F-124-R (New)
F-125-A
F-125-A (New)
F-125-R
F-126-A
F-127-A
F-128-A
F-129-B
F-129-R
F-131-A
F-131-R
F-132-A
F-134
F-204-A
F-212-E
F-212-E (New)
F-266-A
F-266-B (1950)
F-307-A
F-307-A (New)
F-314-A
F-315-A
F-318-A
F-319-A
F-320-A
F-320-B
F-320-B (New)
F-320-BA/220CA
F-322-A
F-322-A (New)
F-328-A
F-328-A (New)
F-328-B
F-332-A
F-332-C
F-337-A
F-337-A (New)
F-342-A
F-342-R
F-343-A
F-343-AA
F-343-R
F-348-A
F-348-A (New)
F-353-A
F-353-A (New)
F-357-A
F-363-A
F-363-A (New)
F-366-A
F-367-A
F-369-A
F-369-B
F-375-A
F-375-A (New)
F-575-A
F-631-A
F-84
F-857-B
F-862A (1949)
F-862A (1970)
F-869-B
F-872-A
F-880
F-889A (1970)
F-89
F-891-R
F-89
F-892-R
F-892-R (New)
F-89
F-898A (1970)
F-1086
F-1089
F-1099
F-1123
F-1130
F-1232
F-4600A (1972)
F-4651
F-3656-A
F-5604
F-5606
F-5606A
F-5619
F-5658
F-5666
F-5667
F-5668
F-5669
F-5680
F-5771
F-5771
F-5874
F-5874A
F-5918-A
F-5918
F-5919
F-5919
F-5996
F-6009
F-6166
F-6179
F-6303 & F-6303A (1970)
F-6366
F-6366
F-6367
F-6367
F-6379
F-6398
F-6399
F-6399
F-6400
F-6400 & F-6400A (1970)
F-6401
F-6691
F-6692
F-6696A & F-6697A (1970)
F-6800
F-6800A (1970)
F-6801
F-6803
F-6804
F-6920
F-6921
F-6925
F-6926 & F-6926J (1970)
F-7012
F-7030
F-7100
F-7131
F-7185
F-7206
F-7207
F-7207A (1970)
F-7213
F-7214
F-7482
F-7532
F-7779
F-7820A (1970)
F-7831/D-1008 (1963)
F-7869
F-8104 & F-8104-J
F-8104, F-8104-J, F-8104-R & F-8104-M (1970)
F-8131, F-8132 & F-8133 (1970)
F-8146, F-8146V & F-8147 (OLD)
F-8146 & F-8147
F-8146A, F-8146V-A & F-8147A (1970)
F-8161R
F-8207 & F-8207J (1970)
F-8208
F-8242
F-8333/D-1011 (1963)
F-8386N & F-8388N (1970)
F-8494
F-8550
F-8597
F-6C22