Aero Products - Coil Wave Trap Unit also for Crystal Sets - 1925
Aero Products Inc.; Chicago, IL
USA / Vereinigte Staaten / Etats-Unis / Estados Unidos
Coil / Spule / Bobine / Bobina
Wave trap / Sperrkreis / Piège à vagues / trampa de olas
$ 4.00
Old US-Radios