radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

ORP31

Information - Help 
ID = 28046
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Photo resistor   Detector 
Identical to ORP31

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Technology / Measurement
Filament
Description

Photowiderstand

 
 
orp31_b.jpg
ORP31: F.M.
Fabio Masetti

 
orp31_a.png
ORP31: Philips Pocketbook
Christian Schaufelberger

 

from Just Qvigstad


You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg