. .
1924 " ", . "Shenandoah", - " ".
, . . .
- ..
. , , . . 1926 "Norway". , .. .
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"Italy".
1928 . " Italy " .
. 1931 "Der Spalten Zeppelin" ().
. "", . "Der Spalten Zeppelin" , . , , , . - 28 .
, , , 2 , 5 , 23 , 12 46 . ?!
.
. , , . . "Der Spalten Zeppelin" , .
, - .
, , . .
, 1930 , . ,