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Radio / Radio ja Sähkö

Tekniikan ja Radioalan aikakauslehti (Magazine for Technics and Radio)

Periodical   Volume 4Number 4Abril / Mayo 1945

fi_radio_ja_saehkoe_1945_4_5_cov.jpg fi_radio_ja_saehkoe_1945_4_5_p9.png fi_radio_ja_saehkoe_1945_4_5_p10.png fi_radio_ja_saehkoe_1945_4_5_p11.png
created by: Franz Harder (12.Feb.17) available by: Ake Nyholm
Page Content
9 
created by
Franz Harder
  • Light (glow) bulb - knowledge and experience (p.1 of 3)
  
10 
created by
Franz Harder
  • Light (glow) bulb - knowledge and experience (p.2 of 3)
  
11 
created by
Franz Harder
  • Light (glow) bulb - knowledge and experience (p.3 of 3)
  

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