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201A_B4

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ID = 54956
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 rare.
Identical to 201A_B4
Similar Tubes
Other base:
  201A_Philips

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Description

Some Philips tubes sold in Australia have the L & H (Lawrence and Hansen Pty Ltd) logo on the bulb. This company was the original distributor of Philips products until 1926, when Philips opened their own offices..

 
Dimensions (WHD)
incl. pins / tip
45 x 106 x 35 mm / 1.77 x 4.17 x 1.38 inch
Information source - - Manufacturers Literature   1924
-- Collector info (Sammler)   

b201a_sock.png 201A_B4: RFJ
Roy Johnson

More ...

Just Qvigstad
ph201adata.png
201A_B4: own collection
Peter den Boer

Collection of

 
philips_b201a.jpg

201A_B4
 

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