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I'm trying to find out more about Phantom I #10TC, which according to Dalton's "The Derby Phantoms", was coachbuild by an Austrian firm (no name mentioned) for Baron Oscar von Kohorn.
The copy of the order form states the chassis as well as the chassis drawing and instruction book was sent to: Doro Stein, Althanplatz 6, Vienna.
After the war the name Althanplatz was changed to Julius Tandler Platz and there still is a house called the "Doro-Stein-Haus"", but I cannot find anything else on this name.
Is there a coincidence that the Julius Tandler Platz is at the end of the Porzellangasse where both Armbruster and Schwanzar were located?

Hi,

I only know,
Sebastian (and Carl) Armbruster - k.u.k. Hof-Wagenfabrik - Porzellangasse 4>6 - Wien/9. Gemeindebizirk
are wellknown for ordering RR-chassis' for building-up till closing-year 1934.
The 1.850;--GBP (> 80.000:--GBP/2010 ---> 96.000;--€/2010) are the usual price for a Ph-I-swb-chassis in 1926 ...,

... with greetings, FrankWo

Thanks FrankWo,

I just had some information stating that the body was build by Keibl. Maybe anyone knows more?