Identity of Greman manufacturer N&K?

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? Identity of Greman manufacturer N&K? 
04.Nov.11 18:36
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Michael Murray (USA)
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Michael Murray

I have a horn speaker from the 1920's that I belive is of German origin.The only identifying marks are N&K cast on the body and stamped on the driver.Any information would be appriciated.

 Mike

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04.Nov.11 18:45
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Alessandro De Poi (I)
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Alessandro De Poi

In Radiomuseum the brand Neufeldt & Kuhnke (N&K) is catalogued under Hagenuk.

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04.Nov.11 20:52
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Michael Murray (USA)
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Count of Thanks: 9
Michael Murray