This seems not to be a removed part of the standard handphone, but an spare of additional earphone, am I correct? I did not find any pics of it on the www, is WW1 and common please?
It's the Eiserner Kopffernhörer., a listening device that can be attached to a telephone handpiece or to other boxes. It came in a belt pouch (leather, papercloth or metal) along with a Ruftrompete (a whistle alert device).
It's the Eiserner Kopffernhörer., a listening device that can be attached to a telephone handpiece or to other boxes. It came in a belt pouch (leather, papercloth or metal) along with a Ruftrompete (a whistle alert device).
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