I looked through the book '
Flugpioniere in und über Luzern : wagemutige Aviatiker, Wiege der Schweizer Flugtouristik, Stätte weltweiter Fluggeschichte' by Alfred Waldis and Otto Britschgi.
Without result
The only relevant passage somewhat relating to this machine was:
Quote:
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bei Ausbruch des Ersten Weltkrieges Einstellung des Flugbetriebes
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As I already mentioned earlier it is special that 'civil' flying of this machine was still done in 1915.
Have a fine day
Kees