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Field Telephones of WW I

  • iTF5 - Compact lightweight field telephone, system of Petrograd Polytechnical Institute, model 1916. Designed for army rangers, observation posts, etc. Phonetic signaling, local battery of pocket flashlight. WHD = 130 х 137 х 73 mm, weight (less battery) 1.15 kg.

    To be continued after the picture set... 

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Compact receiver had special leather strap to keep the receiver under the cap with both hands free. There was another strap to carry the telephone on the ranger's chest. . 

The telephone set included a reel with 500 meters of field cable. The complete arrangement for voice communication of two people is shown on the drawing.

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