WCAL 3-D object collection ➔ Astatic Model WR-20 dual crystal microphone
Radio Equipment
Creation: 1922-1949 Single
1
items
Astatic Model WR-20 dual crystal microphone with attached partial stand. The microphone is made from chrome and features the serial number "B185615."
Astatic Model WR-20 dual crystal microphone with attached partial stand. The microphone is made from chrome and features the serial number "B185615."
Storage ➜ New Vault ➜ R60 DD S4 ➜ St. Olaf College WCAL Radio Station Records. US-MnNS-049. Box 142
WCAL (Radio station : St. Olaf College) (related)
Astatic Corporation (creator)
Astatic Corporation (creator)
microphones