A curious resonance experiment (fwd)

• To: tesla-at-pupman-dot-com
• Subject: A curious resonance experiment (fwd)
• From: Tesla List <mod1-at-pupman-dot-com>
• Date: Fri, 1 May 1998 20:31:15 -0600 (MDT)
• Approved: mod1-at-pupman-dot-com

---------- Forwarded message ----------
Date: Fri, 01 May 1998 21:03:56 -0700
From: "Antonio C. M. de Queiroz" <acmq-at-compuland-dot-com.br>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: A curious resonance experiment

Hi:

A sugestion of an interesting experiment, if you like to wind
-long- coils:
I found this picture in an old instrument catalog (Max Kohl, 1927):
http://www.coe.ufrj.br/~acmq/mk95939.jpg
It shows a small Tesla coil circuit, using an induction coil as power
supply and Leyden jars for the primary capacitor. Attached to the
secondary coil is a long coil with two wires running at its sides.
With proper tuning (that I don't see how is done), standing waves
are observable as a corona pattern between the long coil and the wires.

Antonio Carlos M. de Queiroz
http://www.coe.ufrj.br/~acmq

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