Author Topic: Norman  20s  (Read 2814 times)

Offline Pekka

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Norman  20s
« on: September 02, 2007, 01:56:50 AM »
 I have tried some years to find information of the Norman engine. In Tragatsch books have I found, that the Elfson GB and Potthoff D has used this engine in the twenties. Has anybody more knowledge as the books?
 Thanks     Pekka