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A bipolar vacuum Tesla coil ??
Subject:
1937 : a vacuum TCHi young coilers, I remember ... Exposition de
Paris , 1937- not my earliest
recollection : ' ( Palais des lumières , Paris , France , Europe
; -) A bipolar vacuum Tesla coil ??
Components HF generator : 250 kW radio broadcast . Lenght of
wave : 187 m ( 1,62 Mhz) Vacuum tubes
: 400 W oscillator , 2 x 20 kW water cooled triodes , 2 x 120 kW
final triodes. Plate voltage : 5000 V (/ Hg
kenotron ) Heater : 30 V -at- 600 A ( / dynamo 1 ) Control grid 700
V ( / dynamo 2 ) 2 x 1/4 wave magnifiers
( 2 towers without terminal but with a horizontal adjustable
carbon electrode ) , standed near an
ornemental lake ( for an optical effect and triodes cooling).
Lightning sparks 7 m ( 23 ' ) Amicalement
votre , Lyonel Dr Lyonel BAUM ( MD ) , Macon , France , Europe.
Ref : L.D. Fourcault.- La Science et
la Vie , Dec 1937 ,n° 246, 438-439 ( 2 photos )
Date:
Wed, 11 Jun 1997 15:53:30 +0000
From:
Lyonel BAUM <106407.3647-at-compuserve-dot-com>
To:
tesla-at-poodle.pupman-dot-com
Content-Type: text/plain; charset=iso-8859-1
Content-Transfer-Encoding: 8bit
Hi young coilers,
I remember ...
Exposition de Paris , 1937- not my earliest recollection : ' (
Palais des lumières , Paris , France , Europe ; -)
A bipolar vacuum Tesla coil ??
Components
HF generator : 250 kW radio broadcast .
Lenght of wave : 187 m ( 1,62 Mhz)
Vacuum tubes : 400 W oscillator , 2 x 20 kW water cooled triodes ,
2 x 120 kW final triodes.
Plate voltage : 5000 V (/ Hg kenotron )
Heater : 30 V -at- 600 A ( / dynamo 1 )
Control grid 700 V ( / dynamo 2 )
2 x 1/4 wave magnifiers ( 2 towers without terminal but
with a horizontal adjustable carbon electrode ) , standed near
an ornemental lake ( for an optical effect and triodes cooling).
Lightning sparks 7 m ( 23 ' )
Amicalement votre ,
Lyonel
Dr Lyonel BAUM ( MD ) , Macon , France , Europe.
Ref : L.D. Fourcault.- La Science et la Vie , Dec 1937 ,n° 246, 438-439
( 2 photos )