Radiohandboken 1929 Välja rätt radiorör

Thread starter SM1HOW
Start date 2024-Nov-14

S

SM1HOW

Well-Known Member

2024-Nov-14

#1

Fick den lilla boken av en granne, ganska kul läsning.

radiorör.jpg

SM0FKI

Katodkramare

2024-Nov-14

#2

Här finns vishet som även gäller utanför "rörvärlden".....

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