Got this BING 10-116/2 MEDERA Dynamo in mint as new condition last year with a large auction house lot.
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In comparison to the common 10-116 dynamos this one features a double step cast iron base.
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Usually it was found only on the rare 1909 MEDERA steam engines.
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Have not seen one like this the last 10 years.
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As I don't collect dynamos any longer, it is available if someone is serious interested.
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