1. AM 4MHz SW Band Marker/Transmitter

    AM 4MHz SW Band Marker/Transmitter

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  2. Simple 1308kHz Amplitude Modulator PCB Testing

    Simple 1308kHz Amplitude Modulator PCB Testing

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  3. The sound of TAISYO KOTO 'Sing Me A Song Of Araby'

    The sound of TAISYO KOTO 'Sing Me A Song Of Araby'

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  4. 6N6P Single Stereo Amp. with Heater Trans OPT

    6N6P Single Stereo Amp. with Heater Trans OPT

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  5. A way to check old variable capacitors

    A way to check old variable capacitors

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  6. Six Steps to build 6BQ5(EL84) Stereo Amp PCB

    Six Steps to build 6BQ5(EL84) Stereo Amp PCB

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  7. Ultraviolet LED Board and Fluorescing substances Experiment

    Ultraviolet LED Board and Fluorescing substances Experiment

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  8. The sound of TAISYO KOTO 'My Blue Heaven'

    The sound of TAISYO KOTO 'My Blue Heaven'

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  9. Osaka city mystery in Japan

    Osaka city mystery in Japan

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  10. Why they force you to be VACCINATED!

    Why they force you to be VACCINATED!

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  11. Chaos to see LED illumination board

    Chaos to see LED illumination board

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  12. 家庭で出来る、DIY尿検査・解説

    家庭で出来る、DIY尿検査・解説

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  13. The old radio sound with Paper Cup Piezoelectric Speaker

    The old radio sound with Paper Cup Piezoelectric Speaker

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  14. Low voltage tube operation 02, 5AT8 Regenerative Radio

    Low voltage tube operation 02, 5AT8 Regenerative Radio

    13
  15. Sound Indicator presentation for Science Class

    Sound Indicator presentation for Science Class

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  16. Is there NO RELATION ?? Olympic & Infection in Japan...

    Is there NO RELATION ?? Olympic & Infection in Japan...

    11
  17. Battery-Drive Single tube AM Transmitter

    Battery-Drive Single tube AM Transmitter

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  18. Be careful Chinese HOAX products

    Be careful Chinese HOAX products

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