This is the Aparat Telos Kraków APZ 6/S, a genuine piece of Cold War naval communication equipment. Manufactured by Zakład TELOS in Kraków, Poland, these “Ship Telephones” were the backbone of internal communication on Polish merchant and navy vessels .
Design & Mechanics
Built to survive the harsh conditions of the Baltic Sea, this unit is a masterpiece of utilitarian engineering. Unlike modern plastic devices, the APZ 6 features:
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Crank Generator (Inductor): The side-mounted magneto crank generates a 1000Hz ringing signal to activate the exchange or ringer on the other end .
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Visual Ringer: A front-mounted neon bulb flashes to signal an incoming call, making it functional even in noisy engine rooms .
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Itamid Handset: The black handset is made of Itamid (a durable, vintage Polish plastic), fitted with W69-1 receiver capsules for authentic sound quality .
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Top Switch: A heavy-duty hook switch for connecting to the line.
Technical Specifications
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Manufacturer: Telos, Kraków (Poland)
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Type: Passive Magnetic Telephone (No battery required for voice transmission on short lines)
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Dimensions: Approx. 155 x 230 mm (6.1″ x 9″)
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Finish: Weather-resistant black casing
