radiomuseum.org

Radio

Tekniikka, Kauppa, Huolto, Harrastelijat, Kuuntelijat, Amatöörit

Periodical   Volume 5Number 1February - April 1952

fi_radio_1952_1_cov.jpg fi_radio_1952_1_bk_cov.png fi_radio_1952_1_p15.png fi_radio_1952_1_p16.png fi_radio_1952_1_p17.png
created by: Franz Harder (08.Apr.16) available by: Ake Nyholm
Page Content
15 
created by
Franz Harder
  • 50 years old radio historical memory - first transatlantic radio wave connection
  
16 
created by
Franz Harder
  • Helvar Oy 30-years anniversary - A brief history of the company on the time frame 1921-1951 (pp. 16-17)
  
17 
To this page is one image assigned.
  

Attachments

Currently no attachments available.

Some example tube pages for sets you can see there:

Solid-State-Diode OA50
Solid-State-Diode OA51
Solid-State-Diode OA52
Solid-State-Diode OA53
Solid-State-Diode OA55
Solid-State-Diode OA56
  
Data Compliance More Information