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General Radio Company -- 625-A

The Type 625-A Bridge consists of a skeleton bridge circuit with provision for plugging in standard and unknown units to obtain'a variety of circuits. The main feature of the -bridge is a large dial which is used for balance and which forms one of the ratio arms. The bridge contains both a d-c and a 1000- cycle a-c source of voltage. Provision is made for operation from an external source. When combined with suitable standard arms, the bridge can be used for the measurement of resi ...

Ricoh -- BP20

Telefunken -- AFR 1700/1
Telecommunications Systems

Die Automatischen Frequenzband-Registrieranlagen AFR 1700/1 sind spezielle Empfangsanlagen für die Überwachung der Belegung von Frequenzbändern im Empfangsfrequenzbereich 10 kHz bis 1 GHz. Die Anlagen unterscheiden sich entsprechend ihrem Empfangsfrequenzbereich: AFR 1700/1 LH 10 kHz bis 30 MHz AFR 1700/1 VU 20 MHz bis 500 MHz oder 1000 MHz AFR 1700/1 LHVU 10 kHz bis 500 MHZ oder 1000 MHz Die technischen Eigenschaften entsprechen der CCIR-Empfehlung 182. Die Empfangsanlagen AFR 1700 ...

Grundig -- XENTIA 82 FLAT

Sony -- ICF-1000L

SPECIFICATIONS Frequency range: FM: 87.5 – 108.0 MHz SW: 5.95 – 18 MHz MW: 530 – 1 605 kHz LW: 153 – 255 kHz

Yamaha -- LS9-32