It surprised me to read that Polyphon-Werke in Leipzig also
manufactured an automobile, the Dux.  In 1904, they began producing
Oldsmobiles under license, selling them under the name Polymobile.
In 1909, they began making their own car, the Dux.

  https://www.prewarcar.com/the-lady-takes-control 
  https://www.prewarcar.com/pics/r2w-1200x800-products/34311/34311-1518699017-4696806.jpg 

Philip Jamison
West Chester, Pennsylvania

 [ Dux automobile in post card
 [ http://www.mmdigest.com/Attachments/18/02/16/180216_154703_Dux.jpg 

 [ At https://de.wikipedia.org/wiki/Dux_(Automobilhersteller) 
 [ is a thorough history of "Dux" and its "Polymobil" predecessor.
 [ -- Robbie