Bef. d. ScDckeuh. uatiiif. Ge.s. J89S. 



7hf. V. 



Fig.i. 



1:10 



Fig.2. 



1:5 



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jMA.Jirjt.v.Wema iifhrta-, FrmkfiirtfM. 



Dreikanter von 1 sen burg. 



