CD 1967067 E&MP113.001
The panoramic technique, a visual method of signal reception, makes it possible for the radio operator to view a wide range of frequencies simultaneously.
Shown is the "Panadaptor" by which professional or amateur radio operator can convert an ordinary communication receiver, simplifying tuning and increasing operating efficiency.
Panoramic equipment was valuable during the war for monitoring enemy broadcasts and for locating off-frequency distress and emergency transmissions.
Original Caption by Science Service
©Panaramic Radio Corporation