Posted by Klaus on May 10, 2001 at 05:16:23:
Through browsing I found a German owned Cerveny BBb Kaiser:
Modell ABB 401, Serien-Nr. 02789, Goldmessing, 4 Ventile.
I have seen the pictures, showing a quite large instrument.
But I can not find documentation on a model of that #.
Any informations available?
Klaus