Valve Photos ★ Tube Photos ★ Gallery

Photos

Browse valve and tube photographs from the reference library.

Photos beginning with 4

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47 images found.

4-1000A (= 8166) RCA (HB3) — 4-1000A (= 8166)
RCA (HB3)

4-125A Eimac — 4-125A
Eimac

4-400A (= 8438) Eimac — 4-400A (= 8438)
Eimac

404A (= 5847) RCA (HB3) — 404A (= 5847)
RCA (HB3)

40A1 Sylvania — 40A1
Sylvania

40A1 Sylvania — 40A1
Sylvania

4372 Philips — 4372
Philips

450TL Eimac — 450TL
Eimac

451 Philips — 451
Philips

45Z5GT Tung-Sol — 45Z5GT
Tung-Sol

4613 Philips — 4613
Philips

4613 Philips — 4613
Philips

4613 Philips — 4613
Philips

4646 Philips — 4646
Philips

4650 Philips — 4650
Philips

4654 Philips — 4654
Philips

4662 Philips — 4662
Philips

4662 Philips — 4662
Philips

4662 Philips — 4662
Philips

4662 Philips — 4662
Philips

4662 Philips — 4662
Philips

4673 Philips — 4673
Philips

4682 Philips — 4682
Philips

4683 Philips — 4683
Philips

4688 Philips — 4688
Philips

4690 Philips — 4690
Philips

47 General Electric — 47
General Electric

47 RCA — 47
RCA

47 Tung-Sol — 47
Tung-Sol

47 (= C347) Cunningham — 47 (= C347)
Cunningham

4AU6 RCA (HB3) — 4AU6
RCA (HB3)

4AV6 RCA (HB3) — 4AV6
RCA (HB3)

4B31 (= RK4B31) Raytheon — 4B31 (= RK4B31)
Raytheon

4BC8 RCA (HB3) — 4BC8
RCA (HB3)

4CB6 RCA (HB3) — 4CB6
RCA (HB3)

4CX250B (= 7203) Eimac — 4CX250B (= 7203)
Eimac

4CX350A (= 8321) Eimac — 4CX350A (= 8321)
Eimac

4CX350A (= 8321) Eimac — 4CX350A (= 8321)
Eimac

4EH7 RCA (HB3) — 4EH7
RCA (HB3)

4EH7 RCA (HB3) — 4EH7
RCA (HB3)

4EH7 RCA (HB3) — 4EH7
RCA (HB3)

4EJ7 RCA (HB3) — 4EJ7
RCA (HB3)

4EJ7 Sylvania — 4EJ7
Sylvania

4GK5 RCA (RC30) — 4GK5
RCA (RC30)

4LJ8 RCA (RC30) — 4LJ8
RCA (RC30)

4PR60C (= 8252W) Eimac — 4PR60C (= 8252W)
Eimac

4X150A Eimac — 4X150A
Eimac

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