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Old 11-02-2018, 05:54 AM
Ernst Ernst is offline
Silver Member
Join Date: Jul 2012
Posts: 868
2 (!) more lectures; one from Tesla and a small (yet important) one from Crookes.

They can be found here and they are well worth having a look at .

@ RAMSET, no, I hadn't seen that. I have been experimenting with this kind of coils recently and they seem to produce their long streamers in that same frequency range (below 200 Hz, actually even below 100 Hz). There is more experimentation to be done here....

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