research
 Patents
 Books
 Literature
 Articles
 Timeline
 Auction Archive

about
 About this site
 Wanted to buy

bulb gallery

Incandescent:
C
carbon
WD
drawn tungsten
WC
coiled tungsten
WM
mini tungsten
WS
pressed tung.
FG
figural bulbs
XL
christmas
XS
christmas sets
T
tantalum

Discharge:
NE
neon lamps
AR
argon lamps
XE
xenon lamps
MA
mercury
MC
fluorescent
MS
special mercury

Hardware:
F
fuses
FX
fixtures
PF
plugs & fittings
SA
sockets
SW
switches

tube gallery

 X-ray
 Geissler
 Crookes
 Radio
 Box art

museum pics

 Dr. Hugh Hicks
 
Fort Myers, FL.
 S.Slabyhoudek

links

 Related links
 Submit a link

 

Author Topic: Building a DeForrest Spherical Audion  (Read 22529 times)

Offline Audion

  • New Member!
  • *
  • Posts: 3
Building a DeForrest Spherical Audion
« on: September 20, 2004, 01:36:00 am »
I am planing to build a DeForrest spherical Audion at college.
Has any one else made or used a Spherical Audion or have any information on them.

Here is a pic of one www.cedmagic.com/history/deforest-audion.html

Offline Audion

  • New Member!
  • *
  • Posts: 3
Building a DeForrest Spherical Audion
« Reply #1 on: September 20, 2004, 02:13:00 am »
I found some info on the audion but it is in Dutch can any one translate it? www.hupse.nl/radio/tubes/Audion.htm

some very good pics of some audion's www.uv201.com/Tube_Pages/deforest_audion.htm

some more pic's www.electronetwork.org/assemblage/zone4/sparktubes.htm  www.mev.fr/musee/audion.htm     www.davidsarnoff.org/gallery-radio/De_Forest_Audion_1906.htm

[This message has been edited by Audion (edited September 20, 2004).]