Crystal-sets
Baltic MK1 (1924)
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Telefunkon "A"
( 1923 - 25 )
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ELKA (Radio-Amato) 1925 Berlin |
ASAS
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A/S Elektrisk Bureau Oslo
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Roland |
Baduf 1001 |
Hjerter-es
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EKA |
Minim |
Megro |
Homebrewed |
Sachenwerk: SW |
Brownie: BBC |
Unknown Crystal: Friho Germany |
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