Original German WWI Imperial German ArmeeFernsprecher Alter Art Model 1905 Trench Phone Receiver Japanese Army DE TULLE on the lock

DE TULLE on the lock plate

and looks to be a late war replacement

World War Two United States designed radar jamming bomb unit

[3] Article III stated: It contained this provision:

Original German WWI Imperial German ArmeeFernsprecher Alter Art Model 1905 Trench Phone Receiver Japanese Army DE TULLE on the lockOriginal Item: Only One Available. In modern warfare communication is an essential part of command and control. From the end of the 19th century, technology started to play an increasingly important role in battlefield communication. By the First World War, extensive use was being made of wire communication and the first relatively primitive mobile radio stations came into being. The development of field telephone equipment started in the late 19th