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  1. Vintage GE 6FJ7 Electron Tube NOS NIB *TESTED*

    The 6FJ7 is a 12 pin compactron equivalent of the 6DN7. Tested as shown on B&K 707 Dyna-Jet Dynamic Mutual Conductance Tube Tester.

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  2. 65p remastered SETUP TUBE CHART BOOK Mercury 1000 Mutual Conductance Tube Tester

    This is setup tube chart book only.

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  3. Hickok Dynamic Mutual Conductance Tube Tester Model 6000A Manual

    I think this is a copy but it's a good one in good condition, quite readable and ready to use.

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  4. True Original Vintage Hickok 752 Dynamic Mutual Conductance Tube Tester Manual

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  5. 1946 HICKOK instructions DYNAMIC MUTUAL CONDUCTANCE TUBE TESTER model 532

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  6. Hickok 532 Dynamic Mutual Conductance Tube Tester Operating Manual OEM 1946

    7 pages with fold out schematic. Dated 1946. Slightly musty odor from age (not smoke). We see no writing on pages but it is still possible.

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  7. Vintage RCA 6FM7 Electron Tube NOS NIB *TESTED*

    The 6FM7 was developed as vertical deflection oscillator and amplifier. Of course it can be used for other purposes as well like many TV tubes. Tested as shown on B&K 707 Dyna-Jet Dynamic Mutual Conductance Tube Tester.

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  8. La Radiotechnique EF86 6267 - Suresnes 1961 8Y5 - Valvo Label - NOS

    Model: 1961 La Radiotechnique EF86 6267 (Suresnes, France)w/ Valvo Label. Date code: 8Y5F1 J2 (8Y5 = EF86 production gen #5,F = Suresnes, France, 1 = 1961, J = October, 2 = Week 2 of the production month).

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